University, B. (2023). The engineer's instruction for earth excavation. Brac University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity, Brac. The Engineer's Instruction for Earth Excavation. Brac University, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity, Brac. The Engineer's Instruction for Earth Excavation. Brac University, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.