Vortmann, H. (2013). Discussion papers.
Cita Chicago (17th ed.)Vortmann, Heinz. Discussion Papers. Berlin, 2013.
Cita MLA (8th ed.)Vortmann, Heinz. Discussion Papers. 2013.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)