Todaro, Michael P., author
Bumi Aksara, 1995
Buku Teks
McConnell, Campbell R., author
McGraw-Hill, Irwin, 2002
Buku Teks
McConnell, Campbell R., author
McGraw-Hill, c1984
Buku Teks
McConnell, Campbell R., author
McGraw-Hill , 1984
Buku Teks
McConnel, Cambell R., author
McGraw-Hill, 2005
Buku Teks