APA引文

Siu, R. C. S. (2019). Economic principles for the hospitality industry (First edition.). Routledge.

芝加哥风格引文

Siu, Ricardo Chi Sen. Economic Principles for the Hospitality Industry. First edition. Abingdon, Oxon: Routledge, 2019.

MLA引文

Siu, Ricardo Chi Sen. Economic Principles for the Hospitality Industry. First edition. Routledge, 2019.

警告：这些引文格式不一定是100％准确.