Gaya APA
Frankl, V, E. (1967).
Psychotheraphy and existentialism selected papres on logotheraphy (Cet. 5).
Amerika:
touchstone book.
Gaya MLA
Frankl, Viktor, E..
"Psychotheraphy and existentialism selected papres on logotheraphy".
Cet. 5
Amerika:
touchstone book,
1967.
Text.