APA (7e ed.) Bronvermelding

Gerken, C. d. (1953). Study your way through school (New, rev. version.). Science Research Associates.

Chicago (17e ed.) Bronvermelding

Gerken, C. d'A. Study Your Way Through School. New, rev. version. Chicago: Science Research Associates, 1953.

MLA (8e ed.) Bronvermelding

Gerken, C. d'A. Study Your Way Through School. New, rev. version. Science Research Associates, 1953.