http://www.issia.cnr.it/ http://www.ba.iac.cnr.it/wp/ https://ntnucamp.sce.ntnu.edu.tw/ http://leda.elfak.ni.ac.rs/

Gaya APA

Frankl, V, E. (1988). Will to Meaning, The : Foundations and Applications of Logotherapy (First Edition). New York, USA: A Plume Book.

Gaya MLA

Frankl, Victor, E.. "Will to Meaning, The : Foundations and Applications of Logotherapy". First Edition New York, USA: A Plume Book, 1988. Academic.