Nowlan, Alden, author
Irwin, 1974
Buku Teks
Yin, Chang, author
Publication Internental Press, 2009
Buku Teks
Suzanne, Jamie, author
Bantam Books, 1995
Buku Teks
Hewer, Judy
[publisher not identified], 1976
Buku Teks
Sonya Krisnadi, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1980
UI - Skripsi (Membership)