Gaya APA

Badr, H, M., Ahmed, W, H. (2015). PUMPING MACHINERY THEORY AND PRACTICE . West Sussex, UK: John Wiley & Sons.

Gaya MLA

Badr, Hassan, M.., Ahmed, Wael, H.. "PUMPING MACHINERY THEORY AND PRACTICE". West Sussex, UK: John Wiley & Sons, 2015. Text.