Gaya APA
SUBAGYO, P. (2000).
Forecasting .
Yogyakarta:
BPFE.
Gaya Chicago
SUBAGYO, P.
Forecasting.
Yogyakarta:
BPFE,
2000.
Text.
Gaya MLA
SUBAGYO, P.
Forecasting.
Yogyakarta:
BPFE,
2000.
Text.
Gaya Turabian
SUBAGYO, P.
Forecasting.
Yogyakarta:
BPFE,
2000.
Print.