APA-Zitierstil (7. Ausg.)

(1993). Tourism at world heritage sites: The site manager's handbook (2. ed., [rev. and ill. ed.].). World Tourism Organization.

Chicago-Zitierstil (17. Ausg.)

Tourism at World Heritage Sites: The Site Manager's Handbook. 2. ed., [rev. and ill. ed.]. Madrid: World Tourism Organization, 1993.

MLA-Zitierstil (9. Ausg.)

Tourism at World Heritage Sites: The Site Manager's Handbook. 2. ed., [rev. and ill. ed.]. World Tourism Organization, 1993.