Gerken, C. d. (1953). Study your way through school (New, rev. version.). Science Research Associates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGerken, C. d'A. Study Your Way Through School. New, rev. version. Chicago: Science Research Associates, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGerken, C. d'A. Study Your Way Through School. New, rev. version. Science Research Associates, 1953.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.