Lookwood, A. &. R. (2010). Hospitality and tourism operating systems. Cengage Publishing.
Citazione stile Chigago Style (17a edizione)Lookwood, Andrew & Rouski. Hospitality and Tourism Operating Systems. Canada: Cengage Publishing, 2010.
Citatione MLA (9a ed.)Lookwood, Andrew & Rouski. Hospitality and Tourism Operating Systems. Cengage Publishing, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.