Παραπομπή σε μορφή APA (7η εκδ.)

Gnesotto, N., & Grevi, G. (2006). The new global puzzle: What world for the EU in 2025? Institute for Security Studies, European Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gnesotto, Nicole, και Giovanni Grevi. The New Global Puzzle: What World for the EU in 2025? Paris: Institute for Security Studies, European Union, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gnesotto, Nicole, και Giovanni Grevi. The New Global Puzzle: What World for the EU in 2025? Institute for Security Studies, European Union, 2006.