Matthews, R.C.O., author
University of Chicago Press, 1959
Buku Teks
selected by a committee of the American Economic Association
Blakiston, 1951
Buku Teks
by American Economic Association
Richard D. Irwin, 1951
Buku Teks
Estey, James Arthur, author
Prentice-Hall, 1950
Buku Teks
Estey, James Arthur, author
Prentice-Hall, 1949
Buku Teks