Herrera, M., & Mario Herrera; Diane Pinkley. (2005). Backpack. Harlow: Pearson Education, cop.
Čikaški stil citiranjaHerrera, Mario, i Mario Herrera; Diane Pinkley. Backpack. Harlow: Pearson Education, cop, 2005.
MLA način citiranjaHerrera, Mario, i Mario Herrera; Diane Pinkley. Backpack. Harlow: Pearson Education, cop, 2005.
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