Heragu, Sunderesh S., author
Sunderesh S., 2016
Buku Teks
Eysenck, Michael W., author
Psychology Press, 2001
Buku Referensi
Hanselman, Duane, author
Prentice-Hall, 1997
Buku Teks
Fakultas Teknik Universitas Indonesia, 1995
UI - Tugas Akhir
Douglas, James M.
McGraw-Hill, 1988
Buku Teks