Gaya APA

Spitzbart, A., Bardell, R, H. (1966). Plane Trigonometrya (Cet.2). London: Addison - Wesley.

Gaya MLA

Spitzbart, Abraham., Bardell, Ross, H.. "Plane Trigonometrya". Cet.2 London: Addison - Wesley, 1966. Text.