FRANKL, V. E. (1988). The will to meaning: Foundations and applications of Logotheraphy. Penguin Books.
Chicago-referens (17:e uppl.)FRANKL, Viktor Emil. The Will to Meaning: Foundations and Applications of Logotheraphy. Penguin Books, 1988.
MLA-referens (9:e uppl.)FRANKL, Viktor Emil. The Will to Meaning: Foundations and Applications of Logotheraphy. Penguin Books, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.