1.		British tour operators: implications for quality / Mary Klemm and Lynn Parkinson Autor: Klemm, Mary Coautor: ; Parkinson, Lynn
2.		Managing the balance of power : UK tour operators and destinations / Mary Klemm, Lynn Parkinson Autor: Klemm, Mary Coautor: ; Parkinson, Lynn
3.		UK tour operator strategies: causes and consequences / Mary Klemm, Lynn Parkinson Autor: Klemm, Mary Coautor: ; Parkinson, Lynn