Gaya APA

Ngo', C., Natowitz, J, B. (2009). Our Energy Future Reseources, Alternative, and The Environment . Hoboken, New Jersey: Wiley.

Gaya MLA

Ngo', Christian., Natowitz, Joseph, B.. "Our Energy Future Reseources, Alternative, and The Environment". Hoboken, New Jersey: Wiley, 2009. Text.