(1977). The United nations and outer space. New York: United Nation Publication.
Trích dẫn kiểu ChicagoThe United Nations and Outer Space. New York: United Nation Publication, 1977.
MLA CitationThe United Nations and Outer Space. New York: United Nation Publication, 1977.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.