APA (7th ed.) Citation

HARPER, W., & HARPER, W. (1976). Statistics W.m. Harper. Macdonald and Evans.

Chicago Style (17th ed.) Citation

HARPER, W.M, and W.M HARPER. Statistics W.m. Harper. Macdonald and Evans, 1976.

MLA (8th ed.) Citation

HARPER, W.M, and W.M HARPER. Statistics W.m. Harper. Macdonald and Evans, 1976.

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