Citazione Stile APA (7a Edizione)

Vasquez, V. N., & Villareal, C. R. (2015). Estimating visitor expenditures from Aurora Surfing Cup 2015. UP Asian Institute of Tourism.

Citazione stile Chigago Style (17a edizione)

Vasquez, Veronica Novio, e Camille Ramirez Villareal. Estimating Visitor Expenditures from Aurora Surfing Cup 2015. Quezon City: UP Asian Institute of Tourism, 2015.

Citatione MLA (9a ed.)

Vasquez, Veronica Novio, e Camille Ramirez Villareal. Estimating Visitor Expenditures from Aurora Surfing Cup 2015. UP Asian Institute of Tourism, 2015.