Haberlin, H., & Eppel, H. (2012). Photovoltaics: System Design and Practice. Chichester, West Sussex : John Wiley & Sons Ltd.
Lua i Stíl Chicago (17ú heag.)Haberlin, Heinrich, agus Herbert Eppel. Photovoltaics: System Design and Practice. Chichester, West Sussex : John Wiley & Sons Ltd, 2012.
Lua MLA (9ú heag.)Haberlin, Heinrich, agus Herbert Eppel. Photovoltaics: System Design and Practice. Chichester, West Sussex : John Wiley & Sons Ltd, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.