Gaya APA
Hanke, John E. (1995).
Business forecasting (5e).
London:
Prentice Hall.
Gaya Chicago
Hanke, John E.
Business forecasting.
5e
London:
Prentice Hall,
1995.
Buku.
Gaya MLA
Hanke, John E.
Business forecasting.
5e
London:
Prentice Hall,
1995.
Buku.
Gaya Turabian
Hanke, John E.
Business forecasting.
5e
London:
Prentice Hall,
1995.
Buku.