Παραπομπή σε μορφή APA (7η εκδ.)

Harremoes, P., Gee, D., & MacGarvin, M. (2001). Late lessons from early warnings: The precautionary principle 1896-2000. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harremoes, Poul, David Gee, και Malcolm MacGarvin. Late Lessons from Early Warnings: The Precautionary Principle 1896-2000. Luxembourg: Office for Official Publications of the European Communities, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Harremoes, Poul, et al. Late Lessons from Early Warnings: The Precautionary Principle 1896-2000. Office for Official Publications of the European Communities, 2001.