APA-viite

Ramakrishnan, P. S. (1993). Shifting agriculture and sustainable development: An inerdisciplinary study from North- Eastern India.

Chicago-tyylinen lähdeviittaus

Ramakrishnan, P S. Shifting Agriculture and Sustainable Development: An Inerdisciplinary Study from North- Eastern India. New Delhi, OUP, 1993.

MLA-viite

Ramakrishnan, P S. Shifting Agriculture and Sustainable Development: An Inerdisciplinary Study from North- Eastern India. 1993.