Διεθνές Ανθρωπιστικό Συμπόσιο Δελφών Αθήνα, & Διεθνές Ανθρωπιστικό Συμπόσιο Δελφών. (1972). 2nd International Humanistic Symposium, Athens-Delphi, September 24-October 2, 1972: Summaries. Athens: Hellenic Society for Humanistic Studies.
Citação norma ChicagoΔιεθνές Ανθρωπιστικό Συμπόσιο Δελφών Αθήνα, e Διεθνές Ανθρωπιστικό Συμπόσιο Δελφών. 2nd International Humanistic Symposium, Athens-Delphi, September 24-October 2, 1972: Summaries. Athens: Hellenic Society for Humanistic Studies, 1972.
Citação norma MLAΔιεθνές Ανθρωπιστικό Συμπόσιο Δελφών Αθήνα, e Διεθνές Ανθρωπιστικό Συμπόσιο Δελφών. 2nd International Humanistic Symposium, Athens-Delphi, September 24-October 2, 1972: Summaries. Athens: Hellenic Society for Humanistic Studies, 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.