McCormac, Jack C.
Intenational Textbook, 1966
Buku Teks
Laursen, Harold I.
McGraw-Hill Kogakusha, Ltd., 1969
Buku Teks
Nolan, Barry
Pearson Education , 2006
Multimedia
Hibbeler, R.C.
Prentice-Hall, 2002
Buku Teks
Hibbeler, R.C.
Prentice-Hall, 1997
Buku Teks