compiled by Howard P. McKaughan, Batua A. Macaraya
University of Hawaii Press, 1967
Buku Referensi
Ward, Robert
Philippines Summer Institute of Linguistic Translator Philippines Publishers 1968
Buku Teks
McKaughan, Howard P., author
Institute of National Language, 1958
Buku Teks
London: Tiger Books International, 1994,
Buku Referensi
Guandola, M.H.
Merriam & Webster, INC, 1989
Buku Teks