Gaya APA

AL, N, E. (1996). THE WORLD OF ENERGY CHAPTER 7 – UNCONVENTIONAL OIL & GAS . : LNG BADAK.

Gaya MLA

AL, NAKICENOVIC, ET. "THE WORLD OF ENERGY CHAPTER 7 – UNCONVENTIONAL OIL & GAS". : LNG BADAK, 1996. Text.