APA

OECD, OECD, . (2010). OECD Tourism Trends and Policies 2010. Paris: OECD publishins.

Chicago

OECD, OECD, . 2010. OECD Tourism Trends and Policies 2010. Paris: OECD publishins.

Harvard

OECD, OECD, . (2010). OECD Tourism Trends and Policies 2010. Paris: OECD publishins.

MLA

OECD, OECD, . OECD Tourism Trends and Policies 2010. Paris: OECD publishins. 2010.