Lua APA (7ú heag.)
ebrary, Inc, Islam, R., Khan, M. M., & Chhetri, M. M. (2012). Green petroleum: How oil and gas can be environmentally sustainable. Scrivener : Wiley.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Rafiqul Islam, M. M. Khan, agus M. M. Chhetri. Green Petroleum: How Oil and Gas Can Be Environmentally Sustainable. Salem, Mass. ; Hoboken, New Jersey: Scrivener : Wiley, 2012.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Green Petroleum: How Oil and Gas Can Be Environmentally Sustainable. Scrivener : Wiley, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.