APA (7e ed.) Bronvermelding

Brock, R. (1949). The permabook of art masterpieces ([1st ed.].). Permabooks.

Chicago (17e ed.) Bronvermelding

Brock, Ray. The Permabook of Art Masterpieces. [1st ed.]. New York: Permabooks, 1949.

MLA (8e ed.) Bronvermelding

Brock, Ray. The Permabook of Art Masterpieces. [1st ed.]. Permabooks, 1949.