APA-čujuhus (7. p.)
ebrary, Inc, Islam, R., Khan, M. M., & Chhetri, M. M. (2012). Green petroleum: How oil and gas can be environmentally sustainable. Scrivener : Wiley.
Chicago-čujuhus (17. p.)
ebrary, Inc, Rafiqul Islam, M. M. Khan, juo M. M. Chhetri. Green Petroleum: How Oil and Gas Can Be Environmentally Sustainable. Salem, Mass. ; Hoboken, New Jersey: Scrivener : Wiley, 2012.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Green Petroleum: How Oil and Gas Can Be Environmentally Sustainable. Scrivener : Wiley, 2012.
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