APA-ийн эшлэл(7 дахь хэвлэлт)

RAI G D. (2016). NON CONVENTIONAL SOURCES OF ENERGY (5TH ED.). KHANNA PUBLISHERS.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

RAI G D. NON CONVENTIONAL SOURCES OF ENERGY. 5TH ED. NEW DELHI: KHANNA PUBLISHERS, 2016.

MLA -ийн эшлэл (9 дэх хэвлэлт)

RAI G D. NON CONVENTIONAL SOURCES OF ENERGY. 5TH ED. KHANNA PUBLISHERS, 2016.