Παραπομπή APA

Diwan, R., & Kallianpur, R. (1986). Productivity and technical change in foodgrains. Tata Mc Graw Hill.

Παραπομπή Chicago Style

Diwan, Romesh, και R. Kallianpur. Productivity and Technical Change in Foodgrains. Delhi: Tata Mc Graw Hill, 1986.

Παραπομπή MLA

Diwan, Romesh, και R. Kallianpur. Productivity and Technical Change in Foodgrains. Tata Mc Graw Hill, 1986.