(1974). An annotated bibliography of United Nations publications and documents relating to Unesco's activities in the field of space communication 1947-1974. Unesco.
Cita Chicago (17th ed.)An Annotated Bibliography of United Nations Publications and Documents Relating to Unesco's Activities in the Field of Space Communication 1947-1974. Paris: Unesco, 1974.
Cita MLA (9th ed.)An Annotated Bibliography of United Nations Publications and Documents Relating to Unesco's Activities in the Field of Space Communication 1947-1974. Unesco, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.