Dyfyniad APA

Githens, T. S. 1. (1949). Drug plants of Africa. University of Pennsylvania Press.

Dyfyniad Arddull Chicago

Githens, Thomas S 1878. Drug Plants of Africa. Philadelphia: University of Pennsylvania Press, 1949.

Dyfyniad MLA

Githens, Thomas S 1878. Drug Plants of Africa. University of Pennsylvania Press, 1949.

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