APA citáció

Shafi M. (1972). Measurement of agricultural productivity of the Great Indian Plains.

Chicago Style (17th ed.) Citation

Shafi M. Measurement of Agricultural Productivity of the Great Indian Plains. 1972.

MLA idézés

Shafi M. Measurement of Agricultural Productivity of the Great Indian Plains. 1972.

Figyelem: ezek az hivatkozások nem 100%-ban pontosak..