APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.