Chevallier, A. (2000). Encyclopedia of Herbal Medicine (2nd ed.). Dorling Kindersley.
Cita Chicago (17th ed.)Chevallier, Andrew. Encyclopedia of Herbal Medicine. 2nd ed. London: Dorling Kindersley, 2000.
Cita MLA (9th ed.)Chevallier, Andrew. Encyclopedia of Herbal Medicine. 2nd ed. Dorling Kindersley, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.