Gaya APA

J.TWELE, R, G. (). THE WORLD OF ENERGY CHAPTER 14 – BIOFUEL ENERHY – BIO – GAS . : LNG BADAK.

Gaya MLA

J.TWELE, R., GASCH,. "THE WORLD OF ENERGY CHAPTER 14 – BIOFUEL ENERHY – BIO – GAS". : LNG BADAK, . Text.