Gaya APA

Masduqi, A., Assomadi, A, F. (2012). OPERASI & PROSES PENGOLAHAN AIR (2). Surabaya: ITS PRESS.

Gaya MLA

Masduqi, Ali., Assomadi, Abdu, F. "OPERASI & PROSES PENGOLAHAN AIR". 2 Surabaya: ITS PRESS, 2012. Text.