Gaya APA

Flarend, B, C, B, A, R. (2010). Alternative Energy (CETAKAN PERTAMA). America: Brian C. Black and Richard Flarend.

Gaya MLA

Flarend, Brian, C., Black, And, Richard. "Alternative Energy". CETAKAN PERTAMA America: Brian C. Black and Richard Flarend, 2010. Text.