APA (7 वां संस्करण) प्रशस्ति पत्र
Dutta, B. (1959). Estimating and costing in civil engineering: Theory and practice (23rd ed.). USB Publisheas' Distribution Ltd..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Dutta, B.N. Estimating and Costing in Civil Engineering: Theory and Practice. 23rd ed. New Delhi: USB Publisheas' Distribution Ltd., 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Dutta, B.N. Estimating and Costing in Civil Engineering: Theory and Practice. 23rd ed. USB Publisheas' Distribution Ltd., 1959.
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