Winnington, Alan
Seven Seas, 1962
Buku Teks
Winnington, Alan
Seven Seas Publishers, 1962
Buku Teks
Rusyanti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2006
UI - Skripsi (Membership)
O`Connor, Mark, author
Megalong Book, 1988
Buku Teks
Hosseini, Khaled, author
Penguin Books, 2013
Buku Teks