Modell, B., Kuliev, A. M., & Wagner, M. (1991). Community genetics services in Europe: Report on a survey. World Health Organization, Regional Office for Europe.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रModell, B., A. M. Kuliev, और M. Wagner. Community Genetics Services in Europe: Report on a Survey. Copenhagen: World Health Organization, Regional Office for Europe, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रModell, B., et al. Community Genetics Services in Europe: Report on a Survey. World Health Organization, Regional Office for Europe, 1991.
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