lands and people. (1976). Lands of People: Eurpoe Vol 4. Grolier incorporated.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रlands and people. Lands of People: Eurpoe Vol 4. New York: Grolier incorporated, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रlands and people. Lands of People: Eurpoe Vol 4. Grolier incorporated, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.