Dyfyniad APA

Wallis, T. (2005). Textbook of Pharmacognosy (1st Ed.). CBS Publishers.

Dyfyniad Arddull Chicago

Wallis, T.E. Textbook of Pharmacognosy. 1st Ed. Delhi: CBS Publishers, 2005.

Dyfyniad MLA

Wallis, T.E. Textbook of Pharmacognosy. 1st Ed. CBS Publishers, 2005.

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