Clapp, W. C. (1977). A vocabulary of the Igorot as spoken by the Bontok Igorots. Igorot-English and Eglish-Igorot [microform]. Photoduplication Service.
Citación estilo ChicagoClapp, Walter Clayton. A Vocabulary of the Igorot as Spoken by the Bontok Igorots. Igorot-English and Eglish-Igorot [microform]. Quezon City: Photoduplication Service, 1977.
Cita MLAClapp, Walter Clayton. A Vocabulary of the Igorot as Spoken by the Bontok Igorots. Igorot-English and Eglish-Igorot [microform]. Photoduplication Service, 1977.
Warning: These citations may not always be 100% accurate.