Patterson, Carol The business of ecotourism : the complete guide for nature and culture-based tourism operators / Carol Patterson. - 3rd ed. - Victoria : Trafford, c2007. - 219 p. : ill. Includes bibliographical references and index ISBN: 1425117244 Subjects--Topical Terms: EcotourismEcotourism--ManagementEcotourism--MarketingEcotourism--Economic aspectsTourism--Management LC Class. No.: G 156.5 .E26 / P377B 2007