APA引文

Duka, C. D. (2019). Constitutional law 2. Rex Book Store.

芝加哥风格引文

Duka, Cecilio Dioneda. Constitutional Law 2. Manila: Rex Book Store, 2019.

MLA引文

Duka, Cecilio Dioneda. Constitutional Law 2. Rex Book Store, 2019.

警告：这些引文格式不一定是100％准确.