APA (7th ed.) Zitazioa
Pattakos, A. (2008). Prisoners of our thoughts: Viktor Frankl's principles at work. Berrett-Koehler.
Chicago Style (17th ed.) Zitazioa
Pattakos, Alex. Prisoners of Our Thoughts: Viktor Frankl's Principles at Work. San Francisco: Berrett-Koehler, 2008.
MLA (9th ed.) Zitazioa
Pattakos, Alex. Prisoners of Our Thoughts: Viktor Frankl's Principles at Work. Berrett-Koehler, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.