APA استشهاد

Jhonston, J. (1963). Econometric methods/2nd ed (2nd ed.). McGraw hill.

استشهاد بنمط شيكاغو

Jhonston, J. Econometric Methods/2nd Ed. 2nd ed. New delhi: McGraw hill, 1963.

MLA استشهاد

Jhonston, J. Econometric Methods/2nd Ed. 2nd ed. McGraw hill, 1963.