APA aipamena

Hanke, J. E., & Reitsch, A. G. (1998). Business forecasting (6th ed.). Prentice-Hall.

Chicago Style aipamena

Hanke, John E., and Arthur G. Reitsch. Business Forecasting. 6th ed. Upper Saddle River, N.J: Prentice-Hall, 1998.

MLA aipamena

Hanke, John E., and Arthur G. Reitsch. Business Forecasting. 6th ed. Prentice-Hall, 1998.