?????????

??????? ???????? ???????? ????????? ????? ????????? ????????? ???????? ?????? ???? ????????????? ????????? ??????. ??????? ?????? ??????????? ????? ?????? ??????, ?????? ???? ??????? ??????????? ???????????. ??????????? ????????????? ????? ??????????? ???????? ??? ?????????????. ^[1]^[2]^[3]

??????????? [ ???? ]

↑ Peters, John Durham (1999). Speaking into the Air . Chicago: University of Chicago Press. ??????????? ?????????? ??? 978-0-226-66276-3 . ?????? ????? ???? ??? ??? 40452957 . Archived from the original on 30 July 2022 . ????????????? ???? 22 August 2022 .
↑ Douglas, Susan J. (1987). Inventing American Broadcasting, 1899?1922 . Baltimore: Johns Hopkins University Press. ??????????? ?????????? ??? 978-0-8018-3832-3 . ?????? ????? ???? ??? ??? 15485739 .
↑ The Hand-book of Wyoming and Guide to the Black Hills and Big Horn Regions ????????????? 1 ?????? 2020 at the ??????? ????????? , 1877, p. 74: "in the case of the estimates sent broadcast by the Department of Agriculture, in its latest annual report, the extent has been sadly underestimated".

[peters-1] Peters, John Durham (1999). Speaking into the Air . Chicago: University of Chicago Press. ??????????? ?????????? ??? 978-0-226-66276-3 . ?????? ????? ???? ??? ??? 40452957 . Archived from the original on 30 July 2022 . ????????????? ???? 22 August 2022 .

[douglas-2] Douglas, Susan J. (1987). Inventing American Broadcasting, 1899?1922 . Baltimore: Johns Hopkins University Press. ??????????? ?????????? ??? 978-0-8018-3832-3 . ?????? ????? ???? ??? ??? 15485739 .

[3] The Hand-book of Wyoming and Guide to the Black Hills and Big Horn Regions ????????????? 1 ?????? 2020 at the ??????? ????????? , 1877, p. 74: "in the case of the estimates sent broadcast by the Department of Agriculture, in its latest annual report, the extent has been sadly underestimated".

[1]

[2]

[3]