Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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