APA Style
Business Forecasting. (1983).
Yogyakarta:
BPFE.
Chicago Style
Business Forecasting.
.
Yogyakarta:
BPFE,
1983.
Text.
MLA Style
Business Forecasting.
.
Yogyakarta:
BPFE,
1983.
Text.
Turabian Style
Business Forecasting.
Yogyakarta:
BPFE,
1983.
Print.