Παραπομπή σε μορφή APA (7η εκδ.)

Wahren, U. (1997). Practical introduction to pumping technology: A basic guide to pumps-from specification to installation and operation. Gulf Pub. Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wahren, Uno. Practical Introduction to Pumping Technology: A Basic Guide to Pumps-from Specification to Installation and Operation. Houston, Texas: Gulf Pub. Co., 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wahren, Uno. Practical Introduction to Pumping Technology: A Basic Guide to Pumps-from Specification to Installation and Operation. Gulf Pub. Co., 1997.