Παραπομπή APA

Sen, A. k. (1972). Choice of techniques: An aspect of the theory of planned economic development/3e (3rd ed.). Oxford university press.

Παραπομπή Chicago Style

Sen, Amartya kumar. Choice of Techniques: An Aspect of the Theory of Planned Economic Development/3e. 3rd ed. India: Oxford university press, 1972.

Παραπομπή MLA

Sen, Amartya kumar. Choice of Techniques: An Aspect of the Theory of Planned Economic Development/3e. 3rd ed. Oxford university press, 1972.