edited by David A. Caputo
W.H. Freeman, 1977
Buku Teks
Howlett, Michael, author
Oxford University Press, 2009
Buku Teks
Kluwer Academic Publishers, 2018
Majalah, Jurnal, Buletin
Endang Sri Purwanti, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Tesis Open
Weimer, David L., author
Prentice-Hall, 1992
Buku Teks