APA-referens (7:e uppl.)

Coon, N. (1977). The dictionary of useful plants. Rodale Press.

Chicago-referens (17:e uppl.)

Coon, Nelson. The Dictionary of Useful Plants. Emmaus: Rodale Press, 1977.

MLA-referens (9:e uppl.)

Coon, Nelson. The Dictionary of Useful Plants. Rodale Press, 1977.