Dyfyniad APA

Collins, F. C. (1994). Quality: The ball in your court (2nd ed.). McGraw hill.

Dyfyniad Arddull Chicago

Collins, Frank C. Quality: The Ball in Your Court. 2nd ed. New Delhi: McGraw hill, 1994.

Dyfyniad MLA

Collins, Frank C. Quality: The Ball in Your Court. 2nd ed. McGraw hill, 1994.

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