Salik, A. P. (2010). Sustainability analysis of selected banner ecotourism development projects in Mindanao, Philippines. USM R & D Journal.
Čikaški stil citiranja (17. izdanje)Salik, Aleja Plaza. "Sustainability Analysis of Selected Banner Ecotourism Development Projects in Mindanao, Philippines." USM R & D Journal 2010.
MLA način citiranja (9. izdanje)Salik, Aleja Plaza. "Sustainability Analysis of Selected Banner Ecotourism Development Projects in Mindanao, Philippines." USM R & D Journal, 2010.
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