Gaya APA
Reksohadiprodjo, Sukanto. (1989).
Business Forecasting .
Yogyakarta:
BPFE.
Gaya Chicago
Reksohadiprodjo, Sukanto.
Business Forecasting.
Yogyakarta:
BPFE,
1989.
Text.
Gaya MLA
Reksohadiprodjo, Sukanto.
Business Forecasting.
Yogyakarta:
BPFE,
1989.
Text.
Gaya Turabian
Reksohadiprodjo, Sukanto.
Business Forecasting.
Yogyakarta:
BPFE,
1989.
Print.