Hess, A. L., Allinger, G. D., & Andersen, L. E. (1989). Mathematics projects handbook (3rd ed.). National Council of Teachers of Mathematics.
Chicago Style (17th ed.) CitationHess, Adrien L., Glenn D. Allinger, and Lyle E. Andersen. Mathematics Projects Handbook. 3rd ed. Reston, Va.: National Council of Teachers of Mathematics, 1989.
MLA (9th ed.) CitationHess, Adrien L., et al. Mathematics Projects Handbook. 3rd ed. National Council of Teachers of Mathematics, 1989.
Warning: These citations may not always be 100% accurate.