APA Style

Vas, G. (2005). Hydro Energy - Power from falling Water (First). Kuala Lumpur: Medan Buku Al Amaniah Sdn. Bhd..

MLA Style

Vas, Gratian. "Hydro Energy - Power from falling Water". First Kuala Lumpur: Medan Buku Al Amaniah Sdn. Bhd., 2005. printed.