Ugalde Víquez, A., & López, R. (1995). The portfolio: In shoes of student.
Chicago Style aipamenaUgalde Víquez, Aracelly, y Rocío López. The Portfolio: In Shoes of Student. 1995.
MLA aipamenaUgalde Víquez, Aracelly, y Rocío López. The Portfolio: In Shoes of Student. 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.