Sweetland, R. C., & Keyser, D. J. (1986). Tests: A comprehensive reference for assessments in psychology, education, and business (2nd ed.). Test Corp. of America.
Chicago-viite (17. p.)Sweetland, Richard C., ja Daniel J. Keyser. Tests: A Comprehensive Reference for Assessments in Psychology, Education, and Business. 2nd ed. Kansas City, Mo.: Test Corp. of America, 1986.
MLA-viite (8. p.)Sweetland, Richard C., ja Daniel J. Keyser. Tests: A Comprehensive Reference for Assessments in Psychology, Education, and Business. 2nd ed. Test Corp. of America, 1986.
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