Chopra,[Prof. Ram Nath], & Chopra .....[et al.]. (1987). Companian to Chopra's glossary of Indian medicinal plants. Bishen Sing Mahendra Pal Singh.
Chicago-viite (17. p.)Chopra,[Prof. Ram Nath], ja Chopra .....[et al.]. Companian to Chopra's Glossary of Indian Medicinal Plants. Dehra Dun: Bishen Sing Mahendra Pal Singh, 1987.
MLA-viite (9. p.)Chopra,[Prof. Ram Nath], ja Chopra .....[et al.]. Companian to Chopra's Glossary of Indian Medicinal Plants. Bishen Sing Mahendra Pal Singh, 1987.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.