Gaya APA

Yip, T, L. et al (2012). International forum on shipping ports and airports ( IFSPA ) 2012 . Hongkong: The Hongkong Poltechnic Universit.

Gaya MLA

Yip, TSZ, Leung. et al. "International forum on shipping ports and airports ( IFSPA ) 2012". Hongkong: The Hongkong Poltechnic Universit, 2012. Text.