APA Баримт

Office for Outer Space Affairs UN Office at Vienna. (1991). Seminars of the United Nations Programme on Space Applications: Selected Papers from Activities Held in 1991. United Nations.

Чикаго маягийн жагсаалт

Office for Outer Space Affairs UN Office at Vienna. Seminars of the United Nations Programme on Space Applications: Selected Papers from Activities Held in 1991. Geneva: United Nations, 1991.

MLA ишлэл

Office for Outer Space Affairs UN Office at Vienna. Seminars of the United Nations Programme on Space Applications: Selected Papers from Activities Held in 1991. United Nations, 1991.