APA引文

Huang, G., Chong, S. J. W., Tan, Y. Y., & Liu, Y. (2008). Sustainability of Singapore’s transportation system.

Chicago Style Citation

Huang, Guanhua., Serene Jia Wei Chong, Yih Yang Tan, and Yunhua Liu. Sustainability of Singapore’s Transportation System. 2008.

MLA引文

Huang, Guanhua., Serene Jia Wei Chong, Yih Yang Tan, and Yunhua Liu. Sustainability of Singapore’s Transportation System. 2008.