Gaya APA

Makridakis, S., Wheelwright, S, C. (1978). Forecasting: Methods and Applications (Cetakan Pertama). Canda: John Wiley & Sons.

Gaya MLA

Makridakis, Spyros., Wheelwright, Steven, C.. "Forecasting: Methods and Applications". Cetakan Pertama Canda: John Wiley & Sons, 1978. Teksbook.