Estey, James Arthur
Business cycle : their nature, cause, and control
Prentice-Hall, 1949
 Buku Teks
Estey, James Arthur
Business cycles : their nature, cause and control / James Arthur Estey
Prentice-Hall, 1956
 Buku Teks
Matthews, R.C.O.
The business cycle
University of Chicago Press, 1959
 Buku Teks
Hald, Earl C.
Business cycles
Houghton-Mifflin, 1954
 Buku Teks
Readings in business cycle theory
by American Economic Association
Richard D. Irwin, 1951
 Buku Teks