Cronin, D. (1980). Anxiety, depression and phobias: How to understand and with them. Prentice Hall.
Chicago-referens (17:e uppl.)Cronin, Denis. Anxiety, Depression and Phobias: How to Understand and with Them. Prentice Hall, 1980.
MLA-referens (9:e uppl.)Cronin, Denis. Anxiety, Depression and Phobias: How to Understand and with Them. Prentice Hall, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.