Siu, R. C. S. (2019). Economic principles for the hospitality industry (First edition.). Routledge.
Chicagoスタイル(17版)引用形式Siu, Ricardo Chi Sen. Economic Principles for the Hospitality Industry. First edition. Abingdon, Oxon: Routledge, 2019.
MLA(9版)引用形式Siu, Ricardo Chi Sen. Economic Principles for the Hospitality Industry. First edition. Routledge, 2019.