Fessenden, Ralph J., author
Willard Grant Press, 1981
Buku Teks
Solomons, T. W. Graham, author
John Wiley & Sons, 1978
Buku Teks
McMurry, John, author
Cole Publ.Com, 1992
Buku Teks
Carey, Francis A., 1937-, author
McGraw-HIll, 2003
Buku Teks
Solomons, T. W. Graham, author
John Wiley & Sons, 1988
Buku Referensi