Kang, Jun-man, author
In mulgwasasangsa, 2006
Buku Referensi
Imam Rahmadi, author
2019
UI - Tugas Akhir
Sweezy, Paul M. (Paul Marlor), 1910-2004, author
McGraw-Hill, 1949
Buku Teks
Cole, G.D.H. (George Douglas Howard), 1889-1959, author
Victor Gollancz, 1950
Buku Teks
Gray, Alexander, author
Longmans, Green , 1948
Buku Teks