APA (7th ed.) Zitazioa

Janssen, A., & Meyer, O. (2009). CISG methodology. sellier european law publishers.

Chicago Style (17th ed.) Zitazioa

Janssen, Andre, eta Olaf Meyer. CISG Methodology. Munich, Germany: sellier european law publishers, 2009.

MLA (9th ed.) Zitazioa

Janssen, Andre, eta Olaf Meyer. CISG Methodology. sellier european law publishers, 2009.