Collier, Gary, author
John Wiley & Sons, 1994
Buku Teks
Harris, Marvin, 1927-2001, author
Random House, 1977
Buku Teks
Baradat, Leon P., author
[publisher not identified], [date of publication not identified]
Buku Teks
Lechner, Frank J., author
Blackwell, 2005
Buku Teks
Acemoglu, Daron, author
Cambridge University Press, 2006
Buku Teks