Fornos, W. (1987). Gaining people, losing ground: A blueprint for stabilizing word population. The Population Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFornos, Werner. Gaining People, Losing Ground: A Blueprint for Stabilizing Word Population. The Population Institute, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFornos, Werner. Gaining People, Losing Ground: A Blueprint for Stabilizing Word Population. The Population Institute, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.