APA (7e ed.) Bronvermelding

Lewis, R. a. (2007). Life (6th ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Lewis, Ricki...[et al]. Life. 6th ed. Boston, MA: McGraw-Hill, 2007.

MLA (9e ed.) Bronvermelding

Lewis, Ricki...[et al]. Life. 6th ed. McGraw-Hill, 2007.