Lua APA (7ú heag.)

Spiewak, S. A. (1991). Cogeneration and small power production manual (3rd ed.). Fairmont Press.

Lua i Stíl Chicago (17ú heag.)

Spiewak, Scott A. Cogeneration and Small Power Production Manual. 3rd ed. Lilburn, Ga: Fairmont Press, 1991.

Lua MLA (9ú heag.)

Spiewak, Scott A. Cogeneration and Small Power Production Manual. 3rd ed. Fairmont Press, 1991.

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