World Fertility Survey. (1980). The Guyana fertility survey, 1975: A summary of findings. International Statistical Institute ; World Fertility Survey.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Fertility Survey. The Guyana Fertility Survey, 1975: A Summary of Findings. Voorburg, Netherlands : London: International Statistical Institute ; World Fertility Survey, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Fertility Survey. The Guyana Fertility Survey, 1975: A Summary of Findings. International Statistical Institute ; World Fertility Survey, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.