Meriam, James L.
John Wiley & Sons, 1980
Buku Teks
Hibbeler, R.C.
Pearson - Prentice Hall, 2006
Buku Teks
Cook, David I.
International Textbook Company, 1961
Buku Teks
Meriam, James L.
John Wiley & Sons, 2002
Buku Teks
Meriam, James L.
John Wiley & Sons, 1978
Buku Teks