Dyfyniad APA

(2007).  Positive displacement pumps: A guide to performance evaluation.  John Wiley & Sons.

Dyfyniad Arddull Chicago

 Positive Displacement Pumps: A Guide to Performance Evaluation.  John Wiley & Sons, 2007.

Dyfyniad MLA

 Positive Displacement Pumps: A Guide to Performance Evaluation.  John Wiley & Sons, 2007.

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