O`Leary, Marion H., author
McGraw-Hill, 1976
Buku Teks
McMurry, John, author
Cole Publ.Com, 1992
Buku Teks
Carey, Francis A., 1937-, author
McGraw-HIll, 2003
Buku Teks
Beyer, Hans, author
[Publisher not identified], [Date of publication not identified]
Buku Teks
Solomons, T.W. Graham, author
John Wiley & Sons, 1992
Buku Teks