Doy, Clemens, author
1991
UI - Tesis (Membership)
Aldington, Richard
The Viking Press, 1941
Buku Teks
Webb, Michael, 1937-, author
Chronicle Books, 2002
Buku Teks
Summer Institute of Linguistics (Philippines) : Linguistic Society of the Philippines, 1981
Buku Teks
Slamet Riyadi, author
Program Pascasarjana Universitas Indonesia, 2013
UI - Tesis (Membership)