edited by Clark W. Bullard and Porter J. Womeldorff
Pergamon, 1984
Buku Teks
The Toyo Bunko, {s.a.}
Majalah, Jurnal, Buletin
edited by P.A. Gnadt, J.S. Lawler
Prentice-Hall, 1990
Buku Teks
editor, Abdul Kadir
Economic Research Center, 1988
Buku Teks
editor, J.H. Saurat
Karger, 1984
Buku Teks