Cita APA (7th ed.)

A. Hamid Arshat, Tan, P. C., & Tey, N. P. (1989). The aging of population in Malaysia. United Nations.

Cita Chicago (17th ed.)

A. Hamid Arshat, Poo Chang Tan, i Nai Peng Tey. The Aging of Population in Malaysia. New York: United Nations, 1989.

Cita MLA (9th ed.)

A. Hamid Arshat, et al. The Aging of Population in Malaysia. United Nations, 1989.