APA (7 वां संस्करण) प्रशस्ति पत्र
Gupta,R, & Garg,Rajesh. (2008). Objective civil engineering: With study material (15th ed.). Ramesh Publishing House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Gupta,R, और Garg,Rajesh. Objective Civil Engineering: With Study Material. 15th ed. New Delhi: Ramesh Publishing House, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gupta,R, और Garg,Rajesh. Objective Civil Engineering: With Study Material. 15th ed. Ramesh Publishing House, 2008.
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