Gilbert, G. T., Krusemeyer, M. I., & Larson, L. C. (1993). The Wohascum county problem book. The Mathematical Association of America.
Chicago Style (17th ed.) CitationGilbert, George Thomas, Mark I. Krusemeyer, and Loren C. Larson. The Wohascum County Problem Book. Washington, D.C: The Mathematical Association of America, 1993.
MLA citiranjeGilbert, George Thomas, et al. The Wohascum County Problem Book. The Mathematical Association of America, 1993.
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