APA Style

Merdinger, P., Barton, L. (2015). NorthStar 1 : Listening & Speaking (Third edition) . New York: Pearson Education.

MLA Style

Merdinger, Polly., Barton, Laurie. "NorthStar 1 : Listening & Speaking (Third edition)". New York: Pearson Education, 2015. Buku SMA Athalia.