Falconer, Colin, author
Serambi Ilmu Semesta, 2012
Buku Teks
Sinaga, Tuntun, author
Universitas Indonesia, 1998
UI - Tesis (Membership)
Ruth Sih Kinanti, author
2001
UI - Tesis (Membership)
Jumani, author
Pusat Bahasa, 2005
Buku Teks
Gilson, Etienne
Librairie Philosophique, 1932
Buku Teks