Gustavson, K. (1964). Down's syndrome: A clinical and cytogenetical investigation. Institute of Medical genetics of the University of Uppsala.
Lua i Stíl Chicago (17ú heag.)Gustavson, Karl-Henrik. Down's Syndrome: A Clinical and Cytogenetical Investigation. [Uppsala]: Institute of Medical genetics of the University of Uppsala, 1964.
Lua MLA (8ú heag.)Gustavson, Karl-Henrik. Down's Syndrome: A Clinical and Cytogenetical Investigation. Institute of Medical genetics of the University of Uppsala, 1964.
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