Lua APA (7ú heag.)

International Energy Agency. (1983). District heating and combined heat and power systems: A technology review. International Energy Agency, Organisation for Economic Co-operation and Development.

Lua i Stíl Chicago (17ú heag.)

International Energy Agency. District Heating and Combined Heat and Power Systems: A Technology Review. Paris: International Energy Agency, Organisation for Economic Co-operation and Development, 1983.

Lua MLA (9ú heag.)

International Energy Agency. District Heating and Combined Heat and Power Systems: A Technology Review. International Energy Agency, Organisation for Economic Co-operation and Development, 1983.

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