RAI G D. (2016). NON CONVENTIONAL SOURCES OF ENERGY (5TH ED.). KHANNA PUBLISHERS.
Chicago Style (17th ed.) CitationRAI G D. NON CONVENTIONAL SOURCES OF ENERGY. 5TH ED. NEW DELHI: KHANNA PUBLISHERS, 2016.
MLA引文RAI G D. NON CONVENTIONAL SOURCES OF ENERGY. 5TH ED. KHANNA PUBLISHERS, 2016.
警告:這些引文格式不一定是100%准確.