Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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