APA (7th ed.) Citation

Ullah, M. Z. (2000). Heat pump assisted solar hot water system.

Chicago Style (17th ed.) Citation

Ullah, Md. Zakir. Heat Pump Assisted Solar Hot Water System. 2000.

MLA (8th ed.) Citation

Ullah, Md. Zakir. Heat Pump Assisted Solar Hot Water System. 2000.

Warning: These citations may not always be 100% accurate.