APA aipamena

FRANKL VIKTOR E. (2008). MAN'S SEARCH FOR MEANING. RIDER.

Chicago Style aipamena

FRANKL VIKTOR E. MAN'S SEARCH FOR MEANING. GERMAN: RIDER, 2008.

MLA aipamena

FRANKL VIKTOR E. MAN'S SEARCH FOR MEANING. RIDER, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.