Gaya APA
Bails, D, G., Pepers, L, C. (1982).
Business fluctuations: forecasting techniques, and application .
Englewood Cliffs:
Prentice-Hall.
Gaya MLA
Bails, Dale, G.., Pepers, Larry, C..
"Business fluctuations: forecasting techniques, and application".
Englewood Cliffs:
Prentice-Hall,
1982.
Text.