Gaya APA

Pindyck, R, S., Rubinfeld, D, L. (1991). Econometric Models and Economic Forecasts (3). Singapore: McGraw Hill, Inc..

Gaya MLA

Pindyck, Robert, S.., Rubinfeld, Daniel, L.. "Econometric Models and Economic Forecasts". 3 Singapore: McGraw Hill, Inc., 1991. Textbook.