APA (7e ed.) Bronvermelding

Schaaf, W. L. (1970). The high school mathematics library ([4th ed.].). National Council of Teachers of Mathematics.

Chicago (17e ed.) Bronvermelding

Schaaf, William L. The High School Mathematics Library. [4th ed.]. Washington: National Council of Teachers of Mathematics, 1970.

MLA (8e ed.) Bronvermelding

Schaaf, William L. The High School Mathematics Library. [4th ed.]. National Council of Teachers of Mathematics, 1970.