Cohen, M. S., Gaughan, E. D., Knoebel, A., Kurtz, D. S., & Pengelley, D. J. (1991). Student research projects in calculus. The Mathematical Association of America.
Citazione stile Chigago Style (17a edizione)Cohen, Marcus S., Edward D. Gaughan, Arthur Knoebel, Douglas S. Kurtz, e David J. Pengelley. Student Research Projects in Calculus. Washington, D.C: The Mathematical Association of America, 1991.
Citatione MLA (9a ed.)Cohen, Marcus S., et al. Student Research Projects in Calculus. The Mathematical Association of America, 1991.
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