Tohutoro APA (7th ed.)

(1972). The validity of intelligence test elements. New York, Bureau of Publications, Teachers College, Columbia University, 1931.

Tohutoru Kātū Chicago (17th ed.)

The Validity of Intelligence Test Elements. New York, Bureau of Publications, Teachers College, Columbia University, 1931. 1972.

Tohutoro MLA (9th ed.)

The Validity of Intelligence Test Elements. New York, Bureau of Publications, Teachers College, Columbia University, 1931. 1972.