Gaya APA

Tusiani, M, D., Shearer, G. (2007). LNG : A Nontechnical Guide (Ed. 1). USA: PenWell Corporation Publication.

Gaya MLA

Tusiani, Michael, D.., Shearer, Gordon. "LNG : A Nontechnical Guide". Ed. 1 USA: PenWell Corporation Publication, 2007. Text.