Link, Robert G., author
Columbia University Press, 1959
Buku Teks
Lee, Maurice W., author
Richard D. Irwin, 1961
Buku Teks
edited by Michael T. Belongia and Michelle R. Garfinkel
Kluwer, 1992
Buku Teks
Duesenberry, James S. (James Stemble), 1918-2009, author
McGraw-Hill, 1958
Buku Teks
Lundberg, Erik, author
Harvard University Press, 1957
Buku Teks