White, Richard N., author
John Wiley & Sons, 1976
Buku Teks
Ketter, Robert L., author
McGraw-Hill, 1979
Buku Teks
Ji, Tianjian, author
Taylor & Francis Group, 2008
Buku Teks
Hibbeler, R. C., author
Prentice-Hall, 2002
Buku Teks
Hibbeler, R. C., author
Prentice-Hall, 1997
Buku Teks