Não informado. (1982). Gifted Education International. A B Academic Publishers.
Chicagoスタイル(17版)引用形式Não informado. Gifted Education International. Herts, Inglaterra: A B Academic Publishers, 1982.
MLA(8版)引用形式Não informado. Gifted Education International. A B Academic Publishers, 1982.
警告: この引用は必ずしも正確ではありません.