APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.