APA (7th ed.) Citation

Keller, P., & Todd, G. (2008). Tourism in OECD countries 2008: Trends and policies ([1st ed.].). OECD. https://doi.org/10.1787/9789264039773-en

Chicago Style (17th ed.) Citation

Keller, Peter, and Graham Todd. Tourism in OECD Countries 2008: Trends and Policies. [1st ed.]. Paris: OECD, 2008. https://doi.org/10.1787/9789264039773-en.

MLA (9th ed.) Citation

Keller, Peter, and Graham Todd. Tourism in OECD Countries 2008: Trends and Policies. [1st ed.]. OECD, 2008. https://doi.org/10.1787/9789264039773-en.