APA (7e ed.) Bronvermelding

Sobel, M. A., Maletsky, E. M., Golden, B. N., Lerner, N., & Cohen, L. S. (1986). Harper & Row Geometry. Scribner Educational Publishers.

Chicago (17e ed.) Bronvermelding

Sobel, Max A., Evan M. Maletsky, Brother Neal Golden, Norbert Lerner, en Louis S. Cohen. Harper & Row Geometry. New York, N.Y: Scribner Educational Publishers, 1986.

MLA (9e ed.) Bronvermelding

Sobel, Max A., et al. Harper & Row Geometry. Scribner Educational Publishers, 1986.