Shafto, T.A.C.
McGraw-Hill, 1979
Buku Teks
Tana Mantirri
Universitas Indonesia, 1998
UI - Tesis (Membership)
Muhammad Arifin
2007
UI - Tesis (Membership)
Siagian, Bosar Imelda Ulina
2007
UI - Tesis (Membership)
Whiteley, David
McGraw-Hill, 2000
Buku Teks