Cita APA (7a ed.)

Xue, F., & Ng, S. H. (1980). Ambulatory labour in Hong Kong. International Labour Organization.

Cita Chicago Style (17a ed.)

Xue, Fengxuan, y S. H. Ng. Ambulatory Labour in Hong Kong. International Labour Organization, 1980.

Cita MLA (9a ed.)

Xue, Fengxuan, y S. H. Ng. Ambulatory Labour in Hong Kong. International Labour Organization, 1980.