APA-viite

Day, R. H., & Singh, Z. (1977). Economic development adoptive process: The green revolution in the Indian Punjab. Cambridge University press.

Chicago-tyylinen lähdeviittaus

Day, Richard H., ja Ziderjit Singh. Economic Development Adoptive Process: The Green Revolution in the Indian Punjab. Cambridge: Cambridge University press, 1977.

MLA-viite

Day, Richard H., ja Ziderjit Singh. Economic Development Adoptive Process: The Green Revolution in the Indian Punjab. Cambridge University press, 1977.