De Luna, F. I. (2015). Importance-performance analysis of the whale shark tourism industry in Oslob, Cebu. UP Asian Institute of Tourism.
Chicago-viite (17. p.)De Luna, Francesca Isabelle. Importance-performance Analysis of the Whale Shark Tourism Industry in Oslob, Cebu. Quezon City: UP Asian Institute of Tourism, 2015.
MLA-viite (9. p.)De Luna, Francesca Isabelle. Importance-performance Analysis of the Whale Shark Tourism Industry in Oslob, Cebu. UP Asian Institute of Tourism, 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.