1. Achtung Touristen;Adler,1980
2. Come to Tana Toraja, “Land of the Heavenly Kings”;Adams;Annals of Tourism Research,1984
3. Die Kostbarsten Tage des Jahres;Armanski,1978
4. The Reversible World,1978
5. “Sincerity” and “Authenticity” in Modern Society;Berger;Public Interest,1973