APA-viite

Kunhikannan Nair, A. (2008). Economic and environmental impact of eco tourism: A study of Kerala (PhD Thesis). Kannur University.

Chicago-tyylinen lähdeviittaus

Kunhikannan Nair, A.C. Economic and Environmental Impact of Eco Tourism: A Study of Kerala (PhD Thesis). Kannur University, 2008.

MLA-viite

Kunhikannan Nair, A.C. Economic and Environmental Impact of Eco Tourism: A Study of Kerala (PhD Thesis). Kannur University, 2008.