Dyfyniad APA

ebrary, Inc, & Olson, J. S. (1999). Historical dictionary of the 1970s. Greenwood Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and James Stuart Olson. Historical Dictionary of the 1970s. Westport, Conn.: Greenwood Press, 1999.

Dyfyniad MLA

ebrary, Inc, and James Stuart Olson. Historical Dictionary of the 1970s. Greenwood Press, 1999.

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