APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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