Twentieth Century Fund. Task Force on International Satellite Communications & Laskin, P. L. (1969). Communicating by satellite ; report of the Twentieth Century Fund Task Force in International Satellite Communications. Background paper by Paul L. Laskin. Twentieth Century Fund.
Chicagoスタイル(17版)引用形式Twentieth Century Fund. Task Force on International Satellite Communications , Paul L. Laskin. Communicating by Satellite ; Report of the Twentieth Century Fund Task Force in International Satellite Communications. Background Paper by Paul L. Laskin. New York: Twentieth Century Fund, 1969.
MLA(9版)引用形式Twentieth Century Fund. Task Force on International Satellite Communications , Paul L. Laskin. Communicating by Satellite ; Report of the Twentieth Century Fund Task Force in International Satellite Communications. Background Paper by Paul L. Laskin. Twentieth Century Fund, 1969.