APA Style

Hagen, S, A., Azar, B, S. (2006). Basic English Grammar 3rd Ed. with Answer Key, CD1-2 Chapters 1-16 (3rd.). America: Pearson Longman.

MLA Style

Hagen, Stacy, A.., Azar, Betty, Schrampfer. "Basic English Grammar 3rd Ed. with Answer Key, CD1-2 Chapters 1-16". 3rd. America: Pearson Longman, 2006. Koleksi Multimedia / CD-ROM.