APA-ийн эшлэл(7 дахь хэвлэлт)

Lookwood, A. &. R. (2010). Hospitality and tourism operating systems. Cengage Publishing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Lookwood, Andrew & Rouski. Hospitality and Tourism Operating Systems. Canada: Cengage Publishing, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Lookwood, Andrew & Rouski. Hospitality and Tourism Operating Systems. Cengage Publishing, 2010.