Hibbeler, R.C., author
Pearson/Prentice Hall, 2006
Buku Teks
Jones, G. D.
ELBS / Longman, 1989
Buku Teks
Bedford, Anthony, author
Prentice Hall - Pearson, 2005
Buku Teks
Byars, Edward Ford, 1925-, author
International Textbook, 1969
Buku Teks
Byars, Edward Ford, 1925-, author
Harper & Row, 1983
Buku Teks