Cita APA (7th ed.)

David, B. R., & Paulino, R. R. The Pagsanjan Falls destination life cycle: An evaluation of its tourism industry.

Cita Chicago (17th ed.)

David, Baby Regina, i Rosell R. Paulino. The Pagsanjan Falls Destination Life Cycle: An Evaluation of Its Tourism Industry. 1999.

Cita MLA (9th ed.)

David, Baby Regina, i Rosell R. Paulino. The Pagsanjan Falls Destination Life Cycle: An Evaluation of Its Tourism Industry.