Gaya APA
Hanke, John E, Reitsch, Arthur G. (1998).
Business forecasting .
London:
Prentice Hall..
Gaya Chicago
Hanke, John E, Reitsch, Arthur G.
Business forecasting.
London:
Prentice Hall.,
1998.
Buku.
Gaya MLA
Hanke, John E, Reitsch, Arthur G.
Business forecasting.
London:
Prentice Hall.,
1998.
Buku.
Gaya Turabian
Hanke, John E, Reitsch, Arthur G.
Business forecasting.
London:
Prentice Hall.,
1998.
Buku.