APA

WTO General Assembly (14ª : 2001 sep. 24 - 29 : Osaka Japan), . (2004). Information and documentation resource Centres for tourism : guidelines for establishment and maintenance. Madrid: World Tourism Organization (UNWTO).

Chicago

WTO General Assembly (14ª : 2001 sep. 24 - 29 : Osaka Japan), . 2004. Information and documentation resource Centres for tourism : guidelines for establishment and maintenance. Madrid: World Tourism Organization (UNWTO).

Harvard

WTO General Assembly (14ª : 2001 sep. 24 - 29 : Osaka Japan), . (2004). Information and documentation resource Centres for tourism : guidelines for establishment and maintenance. Madrid: World Tourism Organization (UNWTO).

MLA

WTO General Assembly (14ª : 2001 sep. 24 - 29 : Osaka Japan), . Information and documentation resource Centres for tourism : guidelines for establishment and maintenance. Madrid: World Tourism Organization (UNWTO). 2004.