Παραπομπή APA

Thomas, G. B. (1972). Calculas and analytical geometry (4 th ed.). Addison Wesley.

Παραπομπή Chicago Style

Thomas, George B. Calculas and Analytical Geometry. 4 th ed. California: Addison Wesley, 1972.

Παραπομπή MLA

Thomas, George B. Calculas and Analytical Geometry. 4 th ed. Addison Wesley, 1972.