(2014). P. S. C. previous questions and answers in civil engineering (3rd ed.). Electron College of Technology.
استشهاد بنمط شيكاغوP. S. C. Previous Questions and Answers in Civil Engineering. 3rd ed. Kollam: Electron College of Technology, 2014.
MLA استشهادP. S. C. Previous Questions and Answers in Civil Engineering. 3rd ed. Electron College of Technology, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.