Gaya APA
Hanke, J, E., Reitsch, A, G. (1998).
Business Forecasting (Fotocopy) (1998).
:
London : Prentice-Hall International Ltd.,.
Gaya MLA
Hanke, John, E., Reitsch, Arthur, G.
"Business Forecasting (Fotocopy)".
1998
:
London : Prentice-Hall International Ltd.,,
1998.
Text.