APA aipamena

Nagendra Singh. (1972). Bhutan: Kingdom in the himalayas. Thomson Press.

Chicago Style aipamena

Nagendra Singh. Bhutan: Kingdom in the Himalayas. Thomson Press, 1972.

MLA aipamena

Nagendra Singh. Bhutan: Kingdom in the Himalayas. Thomson Press, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.