Aurora Cuito
HBI and Loft Publications, 2001
Buku Teks
Ball, Victoria Kloss, author
John Wiley & Sons, 1980
Buku Teks
Reyes, Elizabeth V., author
Periplus, 2000
Buku Teks
Kartika Putri, author
2017
UI - Skripsi (Membership)
Pile, John F.
Wiley, 2000
Buku Teks