Lua APA (7ú heag.)

BEGGS CLIVE. (2009). ENERGY: MANAGEMENT, SUPPLY AND CONSERVATION. ELSEVIER.

Lua i Stíl Chicago (17ú heag.)

BEGGS CLIVE. ENERGY: MANAGEMENT, SUPPLY AND CONSERVATION. AMSTERDAM: ELSEVIER, 2009.

Lua MLA (9ú heag.)

BEGGS CLIVE. ENERGY: MANAGEMENT, SUPPLY AND CONSERVATION. ELSEVIER, 2009.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.