APA (7 वां संस्करण) प्रशस्ति पत्र

Howell, D. C. (1995). Fundamental statistics for the behavioral sciences (3rd.ed.). Duxbury.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Howell, David C. Fundamental Statistics for the Behavioral Sciences. 3rd.ed. Belmont: Duxbury, 1995.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Howell, David C. Fundamental Statistics for the Behavioral Sciences. 3rd.ed. Duxbury, 1995.