Não informado. (1957). Gifted Child Quarterly. National Association for Gifted Children.
Style de citation Chicago (17e éd.)Não informado. Gifted Child Quarterly. Washington: National Association for Gifted Children, 1957.
Style de citation MLA (8e éd.)Não informado. Gifted Child Quarterly. National Association for Gifted Children, 1957.
Attention : ces citations peuvent ne pas être correctes à 100%.