Wallis, T. E. (2005). Textbook of pharmacognosy (5th ed.). CBS Publishers & Distributors.
Cita Chicago (17th ed.)Wallis, T. E. Textbook of Pharmacognosy. 5th ed. New Delhi: CBS Publishers & Distributors, 2005.
Cita MLA (9th ed.)Wallis, T. E. Textbook of Pharmacognosy. 5th ed. CBS Publishers & Distributors, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.