Gaya APA

Heng, W., Tongzon, J. (2005). Port privatization, efficiency and competitiveness: some empirical evidence from container ports (terminals) . Singapore: Elsevier.

Gaya MLA

Heng, Wu., Tongzon, Jose. "Port privatization, efficiency and competitiveness: some empirical evidence from container ports (terminals)". Singapore: Elsevier, 2005. Article.