Gaya APA

Murphy, S, J., O'Malley, K. (2001). Dinosaur Deals, level 3 . New York: HarperCollinsPublishers.

Gaya MLA

Murphy, Stuart, J.., O'Malley, Kevin. "Dinosaur Deals, level 3". New York: HarperCollinsPublishers, 2001. Text / Book.