Cita APA (7th ed.)

Cheng, S. (1984). Changing labour force of Singapore. Council for Asian Manpower Studies.

Cita Chicago (17th ed.)

Cheng, Siok-Hwa. Changing Labour Force of Singapore. Quezon City: Council for Asian Manpower Studies, 1984.

Cita MLA (9th ed.)

Cheng, Siok-Hwa. Changing Labour Force of Singapore. Council for Asian Manpower Studies, 1984.