Gaya APA

Boxwell, M. (2012). Solar Electricity Handbook 2012 Edition : a simple, practical guide to solar energy designing and installing photovoltaic solar electric systems. (6). United Kingdom: Greensytream Publishing.

Gaya MLA

Boxwell, Michael. "Solar Electricity Handbook 2012 Edition : a simple, practical guide to solar energy designing and installing photovoltaic solar electric systems.". 6 United Kingdom: Greensytream Publishing, 2012. Text.