Thompson, Dorothy
Wildwood House, 1984
Buku Teks
Eldridge, John, author
Harvester Wheatsheaf , 1991
Buku Teks
Aditya Prihambada, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi Open
Ho Kan-Chih
Peking: Foreign Language Press, 1959
Buku Teks
Eka Jaya, 2004
Buku Referensi