Cita APA (7th ed.)

Ng, M. C., Tsui, W. Y., Yung, P. P., & Leu, M. G. (2008). Economic competition between Hong Kong and Singapore.

Cita Chicago (17th ed.)

Ng, Mei Ching., Wai Yan Tsui, Pui Pui Yung, i Mike Gwo-Jiun Leu. Economic Competition Between Hong Kong and Singapore. 2008.

Cita MLA (9th ed.)

Ng, Mei Ching., et al. Economic Competition Between Hong Kong and Singapore. 2008.