APA
"United Nations O. S. A. (. f., "United Nations O. S. A. (. f., . (1994). Highlights in space. Vinnea: U N.
Chicago
"United Nations Outer Space Affairs (Office for)", "United Nations Outer Space Affairs (Office for)", . 1994. Highlights in space. Vinnea: U N.
Harvard
"United Nations O. S. A. (. f., "United Nations O. S. A. (. f., . (1994). Highlights in space. Vinnea: U N.
MLA
"United Nations Outer Space Affairs (Office for)", "United Nations Outer Space Affairs (Office for)", . Highlights in space. Vinnea: U N. 1994.