FRANKL, V. E. (1988). The will to meaning: Foundations and applications of Logotheraphy. Penguin Books.
Citazione stile Chigago Style (17a edizione)FRANKL, Viktor Emil. The Will to Meaning: Foundations and Applications of Logotheraphy. Penguin Books, 1988.
Citatione MLA (9a ed.)FRANKL, Viktor Emil. The Will to Meaning: Foundations and Applications of Logotheraphy. Penguin Books, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.