Kiekhofer, William H., author
D. Appleton Century, 1946
Buku Teks
McConnell, Campbell R., author
McGraw-Hill, Irwin, 2002
Buku Teks
McConnell, Campbell R., author
McGraw-Hill , 1984
Buku Teks
McConnel, Cambell R., author
McGraw-Hill, 2005
Buku Teks
McConnell, Campbell R., author
McGraw-Hill, 1972
Buku Teks