Mokashi, V.S.
Tata McGraw-Hill, 1995
Buku Teks
Meriam, James L., author
John Wiley & Sons, 1975
Buku Teks
Lindsay, James F.
Matrix Publishers, Inc., 1978
Buku Teks
Hibbeler, R. C., author
Macmillan, 1983
Buku Teks
Hibbeler, R. C., author
Macmillan, 1986
Buku Teks