Dyfyniad APA

KELLEY, J. L., & RICHERT, D. (1969). Elementary mathematics for teachers. Holden-Day.

Dyfyniad Arddull Chicago

KELLEY, John L., and Donald RICHERT. Elementary Mathematics for Teachers. Berkeley: Holden-Day, 1969.

Dyfyniad MLA

KELLEY, John L., and Donald RICHERT. Elementary Mathematics for Teachers. Holden-Day, 1969.

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