Clapp, W. C. (1908). A vocabulary of the Igorot language as spoken by the Bontok Igorots. Igorot-English and English-Igorot. Bureau of printing.
Chicago Style (17th ed.) CitationClapp, Walter Clayton. A Vocabulary of the Igorot Language as Spoken by the Bontok Igorots. Igorot-English and English-Igorot. Manila: Bureau of printing, 1908.
MLA (9th ed.) CitationClapp, Walter Clayton. A Vocabulary of the Igorot Language as Spoken by the Bontok Igorots. Igorot-English and English-Igorot. Bureau of printing, 1908.
Warning: These citations may not always be 100% accurate.