Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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