Παραπομπή APA

Sarai, D. S. (2006). Water treatment made simple for operators. John Wiley & Sons.

Παραπομπή Chicago Style

Sarai, Darshan Singh. Water Treatment Made Simple for Operators. N. Jersey: John Wiley & Sons, 2006.

Παραπομπή MLA

Sarai, Darshan Singh. Water Treatment Made Simple for Operators. John Wiley & Sons, 2006.