Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.