APA (7th ed.) Citation

Cruz, Z. L. (2005). Principles of tourism (Updated ed.). Rex Book Store.

Chicago Style (17th ed.) Citation

Cruz, Zenaida Lansangan. Principles of Tourism. Updated ed. Manila: Rex Book Store, 2005.

MLA (9th ed.) Citation

Cruz, Zenaida Lansangan. Principles of Tourism. Updated ed. Rex Book Store, 2005.

Warning: These citations may not always be 100% accurate.