Carter, April
Longman, 1993
Buku Teks
Weinrich, A.K.H.
Unesco, 1979
Buku Teks
edited by Sita van Bemmelen, Madelon Djajadiningrat, Elsbeth Locher and Elly Touwen
KITLV, 1992
Buku Teks
UNICEF
Unicef, 2002
Buku Teks
edited by Joanna Kerr
North-South Institute, 1993
Buku Teks