Heinrich, M., Barnes, J., Garcia, J. M. P., Gibbons, S., & Williamson, E. M. (2020). Fundamentals of Pharmacognosy and Phytotherapy (3rd ed.). RELX India Pvt. Ltd. An Imprint of Elsevier.

Heinrich, Michael, Joanne Barnes, Jose M. Prieto Garcia, Simon Gibbons, and Elizabeth M. Williamson. Fundamentals of Pharmacognosy and Phytotherapy. 3rd ed. New Delhi: RELX India Pvt. Ltd. An Imprint of Elsevier, 2020.

Heinrich, Michael, et al. Fundamentals of Pharmacognosy and Phytotherapy. 3rd ed. RELX India Pvt. Ltd. An Imprint of Elsevier, 2020.