APA aipamena

Vézelay Group. (1991). Global risks at stake from thought to action. Newsletter From Vézelay.

Chicago Style aipamena

Vézelay Group. Global Risks At Stake From Thought to Action. Newsletter From Vézelay, 1991.

MLA aipamena

Vézelay Group. Global Risks At Stake From Thought to Action. Newsletter From Vézelay, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.