Gaya APA
Hanke, , J, E., Reitsch, A, G.
(1989).
Business Forecasting
(
Ed. 3)
.
Boston:
Allyn and Bacon.
Gaya MLA
Hanke, , Jhon, E.., Reitsch, Arthur, G..
"Business Forecasting".
Ed. 3
Boston:
Allyn and Bacon,
1989.
Art Original.