Dyfyniad APA

EVANS WILLIAM CHARLES [A]. (2006). TREASE EVANS PHARMACOGNOSY (15TH ED.). ELSEVIER CHURCHILL LIVINGSTONE.

Dyfyniad Arddull Chicago

EVANS WILLIAM CHARLES [A]. TREASE EVANS PHARMACOGNOSY. 15TH ED. SINGAPORE: ELSEVIER CHURCHILL LIVINGSTONE, 2006.

Dyfyniad MLA

EVANS WILLIAM CHARLES [A]. TREASE EVANS PHARMACOGNOSY. 15TH ED. ELSEVIER CHURCHILL LIVINGSTONE, 2006.

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