Syamsir A. Muin
Jakarta: Rajawali Press, c1990
Buku Teks
Haar, D. ter, author
Pergamon Press, 1981
Buku Teks
Parker, Bayer V., author
McGraw-Hill , 1971
Buku Teks
Meriam, J. L. (James L.), author
John Wiley & Sons, 1966
Buku Teks
Williams, James H.
John Wiley & Sons, 1996
Buku Teks