Hollingworth, H. L. (1930). Abnormal psychology; its concepts and theories. The Ronald press company.
Chicago-viite (17. p.)Hollingworth, Harry L. Abnormal Psychology; Its Concepts and Theories. New York: The Ronald press company, 1930.
MLA-viite (8. p.)Hollingworth, Harry L. Abnormal Psychology; Its Concepts and Theories. The Ronald press company, 1930.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.