101, T. Selected readings in travel industry management. School of Travel Industry Management.
Chicago-referens (17:e uppl.)101, TIM. Selected Readings in Travel Industry Management. School of Travel Industry Management.
MLA-referens (8:e uppl.)101, TIM. Selected Readings in Travel Industry Management. School of Travel Industry Management.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.