Fuller, Peter
University of Western Australia, 1986
Buku Teks SO
Pollock, Griselda
Blackwell Publishing, 2006
Buku Teks SO
Andi Pratama
Fakultas Teknik Universitas Indonesia, 1999
UI - Skripsi Membership
Read, Herbert
World Publishing Company, 1962
Buku Teks SO
dited by Thomas Y. Levin, Ursula Frohne, and Peter Weibel
MIT Press, 2002
Buku Teks SO