Qiqi Asmara
Universitas Indonesia, 2009
UI - Tesis (Open)
Glasstone, Samuel, 1897-1986
D. Van Nostrand , 1958
Buku Teks
Sianturi, Artha Ika Sari
2000
UI - Skripsi (Membership)
Lansdell, Norman
Penguin Books, 1958
Buku Teks
Ferguson, Charles D.
Oxford Univesity Press, 2011
Buku Teks