S B P CONSULTANTS & ENGINEERS PVT LTD. (1989). S B P HANDBOOK OF MEDIUM AND LARGE SCALE INDUSTRIES. S B P CONSULTANT & ENGINEERS PVT LTD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रS B P CONSULTANTS & ENGINEERS PVT LTD. S B P HANDBOOK OF MEDIUM AND LARGE SCALE INDUSTRIES. DELHI: S B P CONSULTANT & ENGINEERS PVT LTD, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रS B P CONSULTANTS & ENGINEERS PVT LTD. S B P HANDBOOK OF MEDIUM AND LARGE SCALE INDUSTRIES. S B P CONSULTANT & ENGINEERS PVT LTD, 1989.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.