Dolphin, W. D. (2002). Biological investigations: Form, function, diversity, and process (Sixth edition.). McGraw Hill.
Chicago-referens (17:e uppl.)Dolphin, Warren D. Biological Investigations: Form, Function, Diversity, and Process. Sixth edition. Boston: McGraw Hill, 2002.
MLA-referens (8:e uppl.)Dolphin, Warren D. Biological Investigations: Form, Function, Diversity, and Process. Sixth edition. McGraw Hill, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.