Herrera Salazar, M., Pinkley, D., & Hirano, Y. M. (2009). Backpack 1 (2. edition.). White Plains, N.Y.: Pearson/Longman.
Chicago Style CitationHerrera Salazar, Mario, Diana Pinkley, and Yoko Mia Hirano. Backpack 1. 2. edition. White Plains, N.Y.: Pearson/Longman, 2009.
MLA CitationHerrera Salazar, Mario, Diana Pinkley, and Yoko Mia Hirano. Backpack 1. 2. edition. White Plains, N.Y.: Pearson/Longman, 2009.
Warning: These citations may not always be 100% accurate.