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.
Cita Chicago (17th ed.)Twentieth Century Fund. Task Force on International Satellite Communications i 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.
Cita MLA (9th ed.)Twentieth Century Fund. Task Force on International Satellite Communications i 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.