FRANKL, V. E. (1988). The will to meaning: Foundations and applications of Logotheraphy. Penguin Books.
Dyfyniad Arddull ChicagoFRANKL, Viktor Emil. The Will to Meaning: Foundations and Applications of Logotheraphy. Penguin Books, 1988.
Dyfyniad MLAFRANKL, Viktor Emil. The Will to Meaning: Foundations and Applications of Logotheraphy. Penguin Books, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.