Παραπομπή APA

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

Παραπομπή Chicago Style

Wahren, Uno. Practical Introduction to Pumping Technology: A Basic Guide to Pumps-from Specification to Installation and Operation. Houston, TX.: Gulf Publishing Company, 1997.

Παραπομπή MLA

Wahren, Uno. Practical Introduction to Pumping Technology: A Basic Guide to Pumps-from Specification to Installation and Operation. Houston, TX.: Gulf Publishing Company, 1997.

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