APA引文

Commencement exercises of the University of the Philippines. [s.n.].

芝加哥风格引文

Commencement Exercises of the University of the Philippines. Quezon City: [s.n.].

MLA引文

Commencement Exercises of the University of the Philippines. [s.n.].

警告:这些引文格式不一定是100%准确.