Reijffert, A. 1956. Vocabulary of English and Sarawak Land Dyak (Singhi tribe). Kuching: Government Printing Office.
@book{reijffert1956, address = {Kuching}, author = {Reijffert, A.}, key = {Reijffert 1956}, publisher = {Government Printing Office}, title = {Vocabulary of English and Sarawak Land Dyak (Singhi tribe)}, year = {1956} }