Pengelly, A. (1949). The Constituents of Medicinal Plants: An Introduction to the Chemistry and Therapeutics of Herbal Medicine (2nd.). Ausrtralia.
Citazione stile Chigago Style (17a edizione)Pengelly, Andrew. The Constituents of Medicinal Plants: An Introduction to the Chemistry and Therapeutics of Herbal Medicine. 2nd. Allen & Unwin: Ausrtralia, 1949.
Citatione MLA (9a ed.)Pengelly, Andrew. The Constituents of Medicinal Plants: An Introduction to the Chemistry and Therapeutics of Herbal Medicine. 2nd. Ausrtralia, 1949.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.