Hedgepeth William, Al, C., & Findley John Drawings by. (1978). The hog book. Dolphin Books.
Čikaški stil citiranja (17. izdanje)Hedgepeth William, Clayton Al, i Findley John Drawings by. The Hog Book. New York: Dolphin Books, 1978.
MLA način citiranja (9. izdanje)Hedgepeth William, et al. The Hog Book. Dolphin Books, 1978.
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