Tohutoro APA (7th ed.)

Gilbert, G. T., Krusemeyer, M. I., & Larson, L. C. (1993). The Wohascum county problem book. The Mathematical Association of America.

Tohutoru Kātū Chicago (17th ed.)

Gilbert, George Thomas, Mark I. Krusemeyer, me Loren C. Larson. The Wohascum County Problem Book. Washington, D.C: The Mathematical Association of America, 1993.

Tohutoro MLA (9th ed.)

Gilbert, George Thomas, et al. The Wohascum County Problem Book. The Mathematical Association of America, 1993.