Gaya APA

Liu, J., Ng, A, K, Y. (2014). Port-Focal Logistics and Global Supply Chains . United Kingdom: Palgrave Macmillan.

Gaya MLA

Liu, John., Ng, Adolf, K, Y. "Port-Focal Logistics and Global Supply Chains". United Kingdom: Palgrave Macmillan, 2014. Book.