Gaya APA
Pindyck, R, S., Rubinfeld, D, L. (1991).
Econometric Models And Economic Forecasts Third Edition (ed. 3).
Singapore:
McGraw-Hill.
Gaya MLA
Pindyck, Robert, S.., Rubinfeld, Daniel, L..
"Econometric Models And Economic Forecasts Third Edition".
ed. 3
Singapore:
McGraw-Hill,
1991.
Buku E.Pembangunan.