Dauten, Carl A.
Business cycles and forecasting / Carl A. Dauten, Lloyd M. Valentine
South-Western Publishing Co., 1978
 Buku Teks
Gordon, Robert Aaron
Business fluctuations
Harper & Brothers, 1952
 Buku Teks
Bowers, David A.
An introduction to business cycles and forecasting / David A. Bowers
Addison-Wesley , 1985
 Buku Teks
Bratt, Elmer C.
Business cycles and forecasting
Richard D. Irwin, 1953
 Buku Teks
Hald, Earl C.
Business cycles
Houghton-Mifflin, 1954
 Buku Teks