Salik, A. P. (2010). Sustainability analysis of selected banner ecotourism development projects in Mindanao, Philippines. USM R & D Journal.
Chicago-referens (17:e uppl.)Salik, Aleja Plaza. "Sustainability Analysis of Selected Banner Ecotourism Development Projects in Mindanao, Philippines." USM R & D Journal 2010.
MLA-referens (9:e uppl.)Salik, Aleja Plaza. "Sustainability Analysis of Selected Banner Ecotourism Development Projects in Mindanao, Philippines." USM R & D Journal, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.