Allendoerfer, C. B., & Oakley, C. O. (1963). Principles of mathematics (2nd ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleAllendoerfer, Carl B., and Cletus O. Oakley. Principles of Mathematics. 2nd ed. New York: McGraw-Hill Book Company, 1963.
Παραπομπή MLAAllendoerfer, Carl B., and Cletus O. Oakley. Principles of Mathematics. 2nd ed. New York: McGraw-Hill Book Company, 1963.
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