Pacifico, David. Archaeological sites, modern communities, and tourism / David Pacifico, Melissa Vogel. - 2012. // Annals of Tourism Research : a Social Sciences Journal. Vol. 39 (2012), No. 3
Van den Berghe, Pierre L.. El camino Inca: a profile of Cuzco tourists / Pierre L. van den Berghe. - 2000. // International journal of hospitality and tourism administration. Vol. 1 (2000), No. 3-4
Tveteraas, Sigbjorn. Non-stop flights and tourist arrivals / Sigbjorn Tveteras, Kristin H. Roll. - 2014. // Tourism economics : the business and finance of tourism and recreation. Vol. 20 (2014), No. 1