Aguirre Infante, C., Allende Valdés, N., & Faz Sotomayor, M. D. (2006). Exploring my world! 7th grade: Student's book (1a. ed.). Zig Zag.
Chicago-čujuhus (17. p.)Aguirre Infante, Claudia, Natalia Allende Valdés, juo M. Dolores Faz Sotomayor. Exploring My World! 7th Grade: Student's Book. 1a. ed. Santiago: Zig Zag, 2006.
MLA-čujuhus (9. p.)Aguirre Infante, Claudia, et al. Exploring My World! 7th Grade: Student's Book. 1a. ed. Zig Zag, 2006.
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