Honsberger, R. (1970). Ingenuity in mathematics. Mathematical Association of America.
Chicago Style (17. basım) AtıfHonsberger, Ross. Ingenuity in Mathematics. Washington, DC: Mathematical Association of America, 1970.
MLA (9th ed.) AtıfHonsberger, Ross. Ingenuity in Mathematics. Mathematical Association of America, 1970.
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