(2012). Outland Adventure in Davao City: Walk through Philippines' largest ropes course facility. Cruising.
Chicago-referens (17:e uppl.)"Outland Adventure in Davao City: Walk Through Philippines' Largest Ropes Course Facility." Cruising 2012.
MLA-referens (9:e uppl.)"Outland Adventure in Davao City: Walk Through Philippines' Largest Ropes Course Facility." Cruising, 2012.
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