APA (7e ed.) Bronvermelding

(2007). The Nervous system, the skin, the senses. World Book, Inc.

Chicago (17e ed.) Bronvermelding

The Nervous System, the Skin, the Senses. Chicago, Ill: World Book, Inc, 2007.

MLA (9e ed.) Bronvermelding

The Nervous System, the Skin, the Senses. World Book, Inc, 2007.