Tumapang, S. L. (1977). The Cordillera: A preliminary bibliographic survey of materials on the Igorots.
Cita Chicago (17th ed.)Tumapang, Susan L. The Cordillera: A Preliminary Bibliographic Survey of Materials on the Igorots. 1977.
Cita MLA (9th ed.)Tumapang, Susan L. The Cordillera: A Preliminary Bibliographic Survey of Materials on the Igorots. 1977.
Atenció: Aquestes cites poden no estar 100% correctes.