APA (7 वां संस्करण) प्रशस्ति पत्र
Corey, G. (1989). Manual for theory and practice of counselling and psychotherapy (2nd ed.). Brooks/cole.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Corey, Gerald. Manual for Theory and Practice of Counselling and Psychotherapy. 2nd ed. California: Brooks/cole, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Corey, Gerald. Manual for Theory and Practice of Counselling and Psychotherapy. 2nd ed. Brooks/cole, 1989.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.