Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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

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