Não informado. (1972). School psychology digest. National Association of School Psychologists.
Citace podle Chicago (17th ed.)Não informado. School Psychology Digest. Cuyahoga Falls, Ohio: National Association of School Psychologists, 1972.
Citace podle MLA (8th ed.)Não informado. School Psychology Digest. National Association of School Psychologists, 1972.
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