Bertschi, H., & Cada, R. (2007). Boracay: The island guide. Encyclea Publications.
Chicago Style aipamenaBertschi, Hannes, and Raphael Cada. Boracay: The Island Guide. Mandaluyong City: Encyclea Publications, 2007.
MLA aipamenaBertschi, Hannes, and Raphael Cada. Boracay: The Island Guide. Encyclea Publications, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.