Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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