Krishnan, P. (1992). The elderly population in developed... world. B.R. Pub.
Chicagoスタイル(17版)引用形式Krishnan, P. The Elderly Population in Developed... World. Delhi: B.R. Pub, 1992.
MLA(9版)引用形式Krishnan, P. The Elderly Population in Developed... World. B.R. Pub, 1992.
警告: この引用は必ずしも正確ではありません.