National Society for the Study of Education, Whipple, G. M., Colvin, S. S., Thorndike, E. L., Rugg, H. O., Holmes, H. W., . . . Gambrill, B. L. (1923). Intelligence tests and their use: Pt. I. the nature, history, and general principles of intelligence testing. Pt. II. The administrative use of intelligence tests. Public School Publishing Company.
Chicago-referens (17:e uppl.)National Society for the Study of Education, et al. Intelligence Tests and Their Use: Pt. I. the Nature, History, and General Principles of Intelligence Testing. Pt. II. The Administrative Use of Intelligence Tests. Bloomington, Ill: Public School Publishing Company, 1923.
MLA-referens (9:e uppl.)National Society for the Study of Education, et al. Intelligence Tests and Their Use: Pt. I. the Nature, History, and General Principles of Intelligence Testing. Pt. II. The Administrative Use of Intelligence Tests. Public School Publishing Company, 1923.