IRWIN DAVID. (1998). MAKE YOUR BUSINESS GROW. INTERNATIONAL THOMSON BUSINESS PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIRWIN DAVID. MAKE YOUR BUSINESS GROW. LONDON: INTERNATIONAL THOMSON BUSINESS PRESS, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIRWIN DAVID. MAKE YOUR BUSINESS GROW. INTERNATIONAL THOMSON BUSINESS PRESS, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.