International Labour Office & Dickson, D. E. N. (1986). Improve your business: Workbook. International Labour Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Labour Office और D. E. N. Dickson. Improve Your Business: Workbook. Geneva: International Labour Office, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Labour Office और D. E. N. Dickson. Improve Your Business: Workbook. International Labour Office, 1986.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.