Dyfyniad APA

Simpson, G. G. (1960). Quantitative zoology/2nd ed (2nd ed.). Harcourt.

Dyfyniad Arddull Chicago

Simpson, George Gaylord. Quantitative Zoology/2nd Ed. 2nd ed. New york: Harcourt, 1960.

Dyfyniad MLA

Simpson, George Gaylord. Quantitative Zoology/2nd Ed. 2nd ed. Harcourt, 1960.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.