APA (7th ed.) Zitazioa

Narayana, P. S., Pullaiah,T, & Varalakshmi, D. (1995). Textbook of Pharmacognosy Vol-1.

Chicago Style (17th ed.) Zitazioa

Narayana, P. S., Pullaiah,T, eta D. Varalakshmi. Textbook of Pharmacognosy Vol-1. 1995.

MLA (9th ed.) Zitazioa

Narayana, P. S., et al. Textbook of Pharmacognosy Vol-1. 1995.