APA引文

Cruz, Z. L. (2013). Principles of tourism. Rex Book Store.

芝加哥风格引文

Cruz, Zenaida Lansangan. Principles of Tourism. Manila: Rex Book Store, 2013.

MLA引文

Cruz, Zenaida Lansangan. Principles of Tourism. Rex Book Store, 2013.

警告：这些引文格式不一定是100％准确.