Guttman, B. S. (1999). Biology. WCB.
Chicago Style (17th ed.) CitationGuttman, Burton S. Biology. Boston: WCB, 1999.
MLA (9th ed.) CitationGuttman, Burton S. Biology. WCB, 1999.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
Guttman, B. S. (1999). Biology. WCB.
Chicago Style (17th ed.) CitationGuttman, Burton S. Biology. Boston: WCB, 1999.
MLA (9th ed.) CitationGuttman, Burton S. Biology. WCB, 1999.