Short, Daniel G.
Richard D. Irwin, 1990
Buku Teks
Gibson, Charles H.
PWS-KENT Publishing , 1989
Buku Teks
Gibson, Charles H.
South-Western, 1992
Buku Teks
Kratchman, Stanley H.
John Wiley & Son, 1980
Buku Teks
Smith, Jack L.
McGraw-Hill, 1980
Buku Teks