Gaya APA

Whitman, B, ;, B, J, ;, J, T, ;, E, S. (2013). Refrigeration & Air Conditioning Technology (Ed.7). Australia: Delmar Cengage Learning.

Gaya MLA

Whitman, Bill, ;, Bill, Johnson, ;, John, Tomczyk, ;, Eugene, Silberstein. "Refrigeration & Air Conditioning Technology". Ed.7 Australia: Delmar Cengage Learning, 2013. Text.