Cita APA (7th ed.)

Ng, Y. (1990). Social welfare and economic policy. Harvester Wheatsheaf.

Cita Chicago (17th ed.)

Ng, Yew-Kwang. Social Welfare and Economic Policy. New York: Harvester Wheatsheaf, 1990.

Cita MLA (9th ed.)

Ng, Yew-Kwang. Social Welfare and Economic Policy. Harvester Wheatsheaf, 1990.