APA način citiranja (7. izdanje)

Gopalakrishnan, R. (1991). Political geography of India's North East. Vikas.

Čikaški stil citiranja (17. izdanje)

Gopalakrishnan, Ramamoorthy. Political Geography of India's North East. New Delhi: Vikas, 1991.

MLA način citiranja (9. izdanje)

Gopalakrishnan, Ramamoorthy. Political Geography of India's North East. Vikas, 1991.