[publisher not identified], [date of publication not identified]
Naskah
Han, Suzanne Crowder, author
Hollym, 1991
Buku Teks
Pusat Pembinaan dan Pengembangan Bahasa, 1999
Buku Teks
Burgess, Peter H., author
Graham Brash, 1983
Buku Referensi
editor, Maria Leach
Funk & Wagnalls Co., 1949
Buku Referensi