Harder, J. (2010). Alpha. directions. Carlsen.
Cita Chicago (17th ed.)Harder, Jens. Alpha. Directions. Hamburg: Carlsen, 2010.
Cita MLA (8th ed.)Harder, Jens. Alpha. Directions. Carlsen, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)