APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.