APA استشهاد

Voorhis Walter R Van & Topp, C. (1955). Fundamentals of business mathematics (2nd ed.). Prentice-Hall.

استشهاد بنمط شيكاغو

Voorhis Walter R Van و C.W Topp. Fundamentals of Business Mathematics. 2nd ed. Englewood: Prentice-Hall, 1955.

MLA استشهاد

Voorhis Walter R Van و C.W Topp. Fundamentals of Business Mathematics. 2nd ed. Prentice-Hall, 1955.