Lua APA (7ú heag.)

DeLURGIO, S. A. (1998). Forecasting principles and applications.-- Ed.1. Irwin McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

DeLURGIO, Stephen A. Forecasting Principles and Applications.-- Ed.1. Boston: Irwin McGraw-Hill, 1998.

Lua MLA (9ú heag.)

DeLURGIO, Stephen A. Forecasting Principles and Applications.-- Ed.1. Irwin McGraw-Hill, 1998.

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