Παραπομπή APA

Agarwal, H. S. (1985). Simple study of economic planning.

Παραπομπή Chicago Style

Agarwal, H S. Simple Study of Economic Planning. Lakshmi Narain Agarwal, Agra, 1985.

Παραπομπή MLA

Agarwal, H S. Simple Study of Economic Planning. 1985.