Lua APA (7ú heag.)

(1987). Clean coal technology: Programmes and issues. OCDE.

Lua i Stíl Chicago (17ú heag.)

Clean Coal Technology: Programmes and Issues. paris: OCDE, 1987.

Lua MLA (9ú heag.)

Clean Coal Technology: Programmes and Issues. OCDE, 1987.

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