Saladin, KS (2010a). "16.3 The Chemical Senses". Anatomy and Physiology: The Unity of Form and Function (5th ed.). New York: McGraw-Hill. pp. 595-597 (611-613). ISBN978-0-39-099995-5.
Purves, Dale; Augustine, George J; Fitzpatrick, David; Hall, William C; Lamantia, Anthony Samuel; McNamara, James O; White, Leonard E, eds. (2008a). "15 - The Chemical Senses". Neuroscience (4th ed.). Sinauer Associates. pp. 363, 381–393. ISBN978-0-87893-697-7.CS1 maint: uses editors parameter (link)
Buck, Linda B; Bargmann, Cornelia I (2013a). "32 - Smell and Taste: The Chemical Senses". ใน Kandel, Eric R; Schwartz, James H; Jessell, Thomas M; Siegelbaum, Steven A; Hudspeth, AJ (eds.). Principles of Neural Science (5th ed.). United State of America: McGraw-Hill. pp. 712–735. ISBN978-0-07-139011-8.CS1 maint: uses editors parameter (link) CS1 maint: ref=harv (link)
