APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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