Jurch, George R., author
Burgess, 1975
Buku Teks
Cutnell, John D., author
John Wiley & Sons, 2001
Buku Teks
Barnett, E. de Barry, author
Longman, 1957
Buku Teks
Solomons, T. W. Graham, author
John Wliley & Sons , 2011
Buku Teks
Gail A. Steehler, editor
McGraw-Hill, 2009
Buku Teks