Παραπομπή APA

Gill, K. S. (1993). A growing agricultural economy: Technological changes, constraints and sustainability. Oxford.

Παραπομπή Chicago Style

Gill, Khem Singh. A Growing Agricultural Economy: Technological Changes, Constraints and Sustainability. New Delhi: Oxford, 1993.

Παραπομπή MLA

Gill, Khem Singh. A Growing Agricultural Economy: Technological Changes, Constraints and Sustainability. Oxford, 1993.