Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.