Cita APA (7th ed.)

Spörel, U., & Täube, V. (2008). Tourism trends in Europe and in Mediterranean Partner Countries, 2000-2006. Statistics in focus: Industry, trade and services.

Cita Chicago (17th ed.)

Spörel, Ulrich, i Volker Täube. "Tourism Trends in Europe and in Mediterranean Partner Countries, 2000-2006." Statistics in Focus: Industry, Trade and Services 2008.

Cita MLA (8th ed.)

Spörel, Ulrich, i Volker Täube. "Tourism Trends in Europe and in Mediterranean Partner Countries, 2000-2006." Statistics in Focus: Industry, Trade and Services, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.