Clapp, W. C. (1908). A vocabulary of the Igorot language as spoken by the Bontok Igorots. Igorot-English and English-Igorot. Bureau of printing.
Citação norma ChicagoClapp, Walter Clayton. A Vocabulary of the Igorot Language as Spoken by the Bontok Igorots. Igorot-English and English-Igorot. Manila: Bureau of printing, 1908.
Citação norma MLAClapp, Walter Clayton. A Vocabulary of the Igorot Language as Spoken by the Bontok Igorots. Igorot-English and English-Igorot. Bureau of printing, 1908.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.