Borgstrom, G. (1973). World food resources. Intext Educational Publishers.
Chicago Style (17th ed.) CitationBorgstrom, Georg. World Food Resources. New York: Intext Educational Publishers, 1973.
MLA (9th ed.) CitationBorgstrom, Georg. World Food Resources. Intext Educational Publishers, 1973.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.