Dyfyniad APA

(1989). Research in labor economics: A research annual. JAI Press, Inc.

Dyfyniad Arddull Chicago

Research in Labor Economics: A Research Annual. Greenwich, Conn: JAI Press, Inc, 1989.

Dyfyniad MLA

Research in Labor Economics: A Research Annual. JAI Press, Inc, 1989.

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