Dyfyniad APA

Heatherley, J. L. (1971). Unworld people. Harper & Row.

Dyfyniad Arddull Chicago

Heatherley, Joyce L. Unworld People. Cambridge: Harper & Row, 1971.

Dyfyniad MLA

Heatherley, Joyce L. Unworld People. Harper & Row, 1971.

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