Boll, C. (2013). HWWI Policy Paper: Christina Boll, Susanne Hensel-Börner, Malte Hoffmann, Nora Reich.
Cita Chicago (17th ed.)Boll, Christina. HWWI Policy Paper: Christina Boll, Susanne Hensel-Börner, Malte Hoffmann, Nora Reich. 2013.
Cita MLA (8th ed.)Boll, Christina. HWWI Policy Paper: Christina Boll, Susanne Hensel-Börner, Malte Hoffmann, Nora Reich. 2013.
Atenció: Aquestes cites poden no estar 100% correctes.