APA aipamena

Krishnan, P. (1992). The elderly population in developed... world. B.R. Pub.

Chicago Style aipamena

Krishnan, P. The Elderly Population in Developed... World. Delhi: B.R. Pub, 1992.

MLA aipamena

Krishnan, P. The Elderly Population in Developed... World. B.R. Pub, 1992.