Hearnshaw, L. (1979). Cyril Burt: Psychologist. Cornell.
Lua i Stíl Chicago (17ú heag.)Hearnshaw, L.S. Cyril Burt: Psychologist. New York: Cornell, 1979.
Lua MLA (9ú heag.)Hearnshaw, L.S. Cyril Burt: Psychologist. Cornell, 1979.
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