Tohutoro APA (7th ed.)
Proudfoot, A. G. S. (1965). A practical calculus (1a. ed.). Macmillan & Company LTD.
Tohutoru Kātū Chicago (17th ed.)
Proudfoot, A. G. S. A Practical Calculus. 1a. ed. New York: Macmillan & Company LTD, 1965.
Tohutoro MLA (9th ed.)
Proudfoot, A. G. S. A Practical Calculus. 1a. ed. Macmillan & Company LTD, 1965.
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