Mishkin, Frederick S., author
Harper-Collins, 1995
Buku Teks
Currie, Lauchlin, author
Russell and Russell, 1968
Buku Teks
Bryant, Jennings, author
McGraw-Hill, 2002
Buku Teks
Wrightsman, Lawrence S., author
Brooks/Cole , 1998
Buku Teks
Wrightsman, Lawrence S., author
Brooks/Cole, 1991
Buku Teks