Dyfyniad APA

Hutchins, M. (1944). Introduction to reference Work. American Library.

Dyfyniad Arddull Chicago

Hutchins, Margret. Introduction to Reference Work. Chicago: American Library, 1944.

Dyfyniad MLA

Hutchins, Margret. Introduction to Reference Work. American Library, 1944.

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