APA (7 वां संस्करण) प्रशस्ति पत्र

Croft, A., & Davison, R. (1997). Foundation maths: Essential maths for students (2nd ed.). Prentice Hall.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Croft, Anthony, और Robert Davison. Foundation Maths: Essential Maths for Students. 2nd ed. Harlow, England: Prentice Hall, 1997.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Croft, Anthony, और Robert Davison. Foundation Maths: Essential Maths for Students. 2nd ed. Prentice Hall, 1997.