Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.