Heinrich, M., Barnes, J., & Gibbons, S. (2012). Fundamentals of Pharmacognosy and Phytotherapy (2nd ed.). Elsevier.
Cita Chicago (17th ed.)Heinrich, Michael, Joanne Barnes, i Simon Gibbons. Fundamentals of Pharmacognosy and Phytotherapy. 2nd ed. USA: Elsevier, 2012.
Cita MLA (9th ed.)Heinrich, Michael, et al. Fundamentals of Pharmacognosy and Phytotherapy. 2nd ed. Elsevier, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.