Dyfyniad APA

Healey, J. F. (1993). Statistics: A tool for social research. Belmont, Calif. : Wadsworth Pub..

Dyfyniad Arddull Chicago

Healey, Joseph F. Statistics: A Tool for Social Research. Belmont, Calif. : Wadsworth Pub., 1993.

Dyfyniad MLA

Healey, Joseph F. Statistics: A Tool for Social Research. Belmont, Calif. : Wadsworth Pub., 1993.

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