Gaya APA

Surhone, L, M. (2010). Windpump : Windmill,Wind Turbine, Waterladder Pump, Windpower,Coilpump, Waterwell, Mill (Grinding), Papermill, Hammermill . Germany: Betascript Publishing.

Gaya MLA

Surhone, Lambert, M.. "Windpump : Windmill,Wind Turbine, Waterladder Pump, Windpower,Coilpump, Waterwell, Mill (Grinding), Papermill, Hammermill". Germany: Betascript Publishing, 2010. Text.