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