Keppel, G., Saufley, W. H., & Tokunaga, H. (1992). Introduction to design and analysis: A student's handbook (2nd ed.). New York: W.H. Freeman.
Čikaški stil citiranjaKeppel, Geoffrey., William H. Saufley, i Howard Tokunaga. Introduction to Design and Analysis: A Student's Handbook. 2nd ed. New York: W.H. Freeman, 1992.
MLA način citiranjaKeppel, Geoffrey., William H. Saufley, i Howard Tokunaga. Introduction to Design and Analysis: A Student's Handbook. 2nd ed. New York: W.H. Freeman, 1992.
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