D`Alpuget, Josephine Blanche, 1944-
Melbourne Universiry Press, 1977
Buku Teks
Bastin, John
The Clarendon Press , 1957
Buku Teks
Summer Institute of Linguistics (Philippines) : Linguistic Society of the Philippines, 1981
Buku Teks SO
Maurois, A. (Andre)
E.P. Dutton & co., Inc., 1959
Buku Referensi
Gribbin, John
Penguin Books, 1997
Buku Teks