Cleland, David I.
McGraw-Hill , 1980
Buku Teks SO
Cleland, David I.
McGraw-Hill, 1981
Buku Teks SO
[edited by] W. Grant Ireson, Clyde F. Coombs, Jr., Richard Y. Moss
McGraw-Hill, 1995
Buku Referensi
John E. Ullmann, editor, Donald A. Christman, Bert Holtje, associate editors.
John Wiley & Sons, 1986
Buku Referensi
Twort, A. C.
Arnold, 1995
Buku Teks