TRENDS AND ISSUES IN GLOBAL TOURISM 2012:IN COLLABORATION WITH PIA VIEHL
ROLAND CONRADY MARTIN BUCK2012 年出版276 页ISBN:9783642274039
HUMAN BEHAVIOR AND THE SOCIAL ENVIRONMENT A SOCIAL SYSTEMS MODEL SECOND EDITION
WAYNE A.CHESS JULIA M.NORLIN1991 年出版447 页ISBN:0205128246