Hänvisningar gällande denna post
APA-referensUnited Nations. (1972). Hydrogenation of coal and coal tars: Review and annotated bibliography of works published in 1959-1970. United Nations.
Chicago-stil citatUnited Nations. Hydrogenation of Coal and Coal Tars: Review and Annotated Bibliography of Works Published in 1959-1970. New York: United Nations, 1972.
MLA-referensUnited Nations. Hydrogenation of Coal and Coal Tars: Review and Annotated Bibliography of Works Published in 1959-1970. United Nations, 1972.
Harvard-stil citatUnited Nations. 1972. Hydrogenation of coal and coal tars: Review and annotated bibliography of works published in 1959-1970. New York: United Nations.
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