Mankiw, N. Gregory, author
Harcout College, 1998
Buku Teks
Lipsey, Richard G., 1928-, author
Harper Collin, 1996
Buku Teks
Polak, Fred. L.
H. E. Stenfert Kroese's, 1951
Buku Teks
Perthel, Dirk, author
Amsterdam University, 1981
Buku Teks
by Badan Pembinaan Hukum Nasional. Departemen Kehakiman Indonesia
Pengayoman, 1997
Buku Teks