APA引文

(2014). P. S. C. previous questions and answers in civil engineering (3rd ed.). Electron College of Technology.

Chicago Edition Citation

P. S. C. Previous Questions and Answers in Civil Engineering. 3rd ed. Kollam: Electron College of Technology, 2014.

MLA引文

P. S. C. Previous Questions and Answers in Civil Engineering. 3rd ed. Electron College of Technology, 2014.

警告：这些引文格式不一定是100％准确.