Gaya APA
Bussines Forecasting. (1989).
Hoboken, NJ:
PT Sahata Buana Jaya.
Gaya Chicago
Bussines Forecasting.
Ketiga.
Hoboken, NJ:
PT Sahata Buana Jaya,
1989.
Text.
Gaya MLA
Bussines Forecasting.
Ketiga.
Hoboken, NJ:
PT Sahata Buana Jaya,
1989.
Text.
Gaya Turabian
Bussines Forecasting.
Hoboken, NJ:
PT Sahata Buana Jaya,
1989.
Print.