Não informado. (1972). School psychology digest. National Association of School Psychologists.
Style de citation Chicago (17e éd.)Não informado. School Psychology Digest. Cuyahoga Falls, Ohio: National Association of School Psychologists, 1972.
Style de citation MLA (8e éd.)Não informado. School Psychology Digest. National Association of School Psychologists, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.