APA-čujuhus (7. p.)
Lewis, O., & Beltrán, A. (1964). Pedro Martínez: A mexican peasant and his family (First printing.). Random House.
Chicago-čujuhus (17. p.)
Lewis, Oscar, juo Alberto Beltrán. Pedro Martínez: A Mexican Peasant and His Family. First printing. New York: Random House, 1964.
MLA-čujuhus (9. p.)
Lewis, Oscar, juo Alberto Beltrán. Pedro Martínez: A Mexican Peasant and His Family. First printing. Random House, 1964.
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