Dyfyniad APA

Chang, R. (1998). Imprpving through bench marking. Wheeler.

Dyfyniad Arddull Chicago

Chang, Richard. Imprpving Through Bench Marking. New Delhi: Wheeler, 1998.

Dyfyniad MLA

Chang, Richard. Imprpving Through Bench Marking. Wheeler, 1998.

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