Mankiw, N. Gregory, author
Worth, 1994
Buku Teks
Morley, Samuel A., author
The Dryden Press, 1984
Buku Teks
Wachtel, Paul, author
McGraw-Hill , 1989
Buku Teks
Wonnacott, Paul
Phoenix Press, Inc., 1978
Buku Teks
Dernburg, Thomas F.
Bharata , 1972
Buku Teks