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