Jackson, D. N., & Messick, S. (1967). Problems in human assessment. McGraw-Hill.
Cita Chicago (17th ed.)Jackson, Douglas Northrop, i Samuel Messick. Problems in Human Assessment. New York: McGraw-Hill, 1967.
Cita MLA (9th ed.)Jackson, Douglas Northrop, i Samuel Messick. Problems in Human Assessment. McGraw-Hill, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.