Levinson, H. N. (1990). Total concentration: How to understand attention deficit disorders with treatment guidelines for you and your doctor. New York: M.Evans and Company, Inc.
Чикагска система за цитиранеLevinson, Harold N. Total Concentration: How to Understand Attention Deficit Disorders With Treatment Guidelines for You and Your Doctor. New York: M.Evans and Company, Inc, 1990.
MLA формат за цитиранеLevinson, Harold N. Total Concentration: How to Understand Attention Deficit Disorders With Treatment Guidelines for You and Your Doctor. New York: M.Evans and Company, Inc, 1990.
Внимание: Тези цитати може да не са 100% точни.