Torres, A. C. V. (2006). Igorot representation in Cordillera picture postcards.
Chicago Style (17. basım) AtıfTorres, Anna Christie Villarba. Igorot Representation in Cordillera Picture Postcards. 2006.
MLA (9th ed.) AtıfTorres, Anna Christie Villarba. Igorot Representation in Cordillera Picture Postcards. 2006.
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