APA (7th ed.) Citation

World Tourism Organization. (1978). Testing the effectiveness of promotion. Organizacion Mundial del Turismo.

Chicago Style (17th ed.) Citation

World Tourism Organization. Testing the Effectiveness of Promotion. Madrid: Organizacion Mundial del Turismo, 1978.

MLA (9th ed.) Citation

World Tourism Organization. Testing the Effectiveness of Promotion. Organizacion Mundial del Turismo, 1978.

Warning: These citations may not always be 100% accurate.