APA-Zitierstil (7. Ausg.)

Siu, R. C. S. (2020). Economic principles for the hospitality industry. Routledge.

Chicago-Zitierstil (17. Ausg.)

Siu, Ricardo C. S. Economic Principles for the Hospitality Industry. London ; New York: Routledge, 2020.

MLA-Zitierstil (9. Ausg.)

Siu, Ricardo C. S. Economic Principles for the Hospitality Industry. Routledge, 2020.