Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.