APA استشهاد

Khan, B. (2012). Non-conventional energy resources (2nd.). TMH Education.

استشهاد بنمط شيكاغو

Khan, B.H. Non-conventional Energy Resources. 2nd. New Delhi: TMH Education, 2012.

MLA استشهاد

Khan, B.H. Non-conventional Energy Resources. 2nd. TMH Education, 2012.