Dyfyniad APA

Walker, H. M. (1951). Mathematics Essential for Elementary Statistics. New York: Henry Holt.

Dyfyniad Arddull Chicago

Walker, Helen M. Mathematics Essential for Elementary Statistics. New York: Henry Holt, 1951.

Dyfyniad MLA

Walker, Helen M. Mathematics Essential for Elementary Statistics. New York: Henry Holt, 1951.

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