Wallis, T. (2005). Textbook of Pharmacognosy (1st Ed.). CBS Publishers.
Cita Chicago (17th ed.)Wallis, T.E. Textbook of Pharmacognosy. 1st Ed. Delhi: CBS Publishers, 2005.
Cita MLA (9th ed.)Wallis, T.E. Textbook of Pharmacognosy. 1st Ed. CBS Publishers, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.