Organisation for Economic Co-operation and Development, Organisation for Economic Co-operation and Development. Committee on Tourism, & ProQuest (Firm). (2010). OECD tourism trends and policies. OECD.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development, Organisation for Economic Co-operation and Development. Committee on Tourism, ба ProQuest (Firm). OECD Tourism Trends and Policies. [Paris]: OECD, 2010.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development, et al. OECD Tourism Trends and Policies. OECD, 2010.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.