Fahmi Faris, author
Fakultas Teknik Universitas Indonesia, 1994
UI - Skripsi (Membership)
Paine, Lynn Sharp
Irwin, 1997
Buku Teks
Haynes, W. Warren (William Warren), 1921-1972
University of Kentucky Press, 1962
Buku Teks
Philippatos, George C.
Allyn and Bacon , 1991
Buku Teks
Griffin, Ricky W., author
Houghton Miffiln, 1982
Buku Teks