Gaya APA

Makridakis, S, (. (1978). Forecasting Methods and Applications 2nd.ed. (2). Singapore: Jhon Wiley & Sons, Inc..

Gaya MLA

Makridakis, Spyros,, (a.o). "Forecasting Methods and Applications 2nd.ed.". 2 Singapore: Jhon Wiley & Sons, Inc., 1978. Text.