APA-viite

P D Thiwari & A N Sharma. (1989). Tribal ecosystem and malnutrition in India. Northern Book Centre.

Chicago-tyylinen lähdeviittaus

P D Thiwari ja A N Sharma. Tribal Ecosystem and Malnutrition in India. New Delhi: Northern Book Centre, 1989.

MLA-viite

P D Thiwari ja A N Sharma. Tribal Ecosystem and Malnutrition in India. Northern Book Centre, 1989.