Zeffry Alkatiri
Fakultas Sastra Universitas Indonesia, 1998
Buku Teks SO
Wannan, Bill, compiler
Viking O'Neil, Penguin Books Australia, 1987
Buku Referensi
Mackenzie, Donald A.
Gramercy Books, 1994
Buku Referensi
Moncrieff, A.R. Hope
Gramercy Books, 1995
Buku Referensi
Hwang, Pae-gang
Jain, 2006
Buku Teks