APA (7 वां संस्करण) प्रशस्ति पत्र

Bourne , L. E., & Ekstrand , B. R. (1981). Psychology: Its principles and meanings (4th ed.). Holt, Rrinehart and Winston.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Bourne , Lyle E., और Bruce R. Ekstrand. Psychology: Its Principles and Meanings. 4th ed. New York: Holt, Rrinehart and Winston, 1981.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Bourne , Lyle E., और Bruce R. Ekstrand. Psychology: Its Principles and Meanings. 4th ed. Holt, Rrinehart and Winston, 1981.