Neijt, Anneke
Foris Publications, 1990
Buku Teks
Dony Ariyus, author
Andi, 2006
Buku Teks
edited by Chris Reed
Oxford University Press, 2017
Buku Teks
Martin, James, author
Prentice-Hall, 1969
Buku Teks
Steenis, Hein van, author
Sybex, 1991
Buku Referensi