Dyfyniad APA
ebrary, Inc, Islam, R., Khan, M. M., & Chhetri, M. M. (2012). Green petroleum: How oil and gas can be environmentally sustainable. Scrivener : Wiley.
Dyfyniad Arddull Chicago
ebrary, Inc, Rafiqul Islam, M. M. Khan, and M. M. Chhetri. Green Petroleum: How Oil and Gas Can Be Environmentally Sustainable. Salem, Mass. ; Hoboken, New Jersey: Scrivener : Wiley, 2012.
Dyfyniad MLA
ebrary, Inc, et al. Green Petroleum: How Oil and Gas Can Be Environmentally Sustainable. Scrivener : Wiley, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.