Sklias. (2013). Greece's Horizons (1.). Springer Berlin Heidelberg.
Cita Chicago (17th ed.)Sklias. Greece's Horizons. 1. Springer Berlin Heidelberg, 2013.
Cita MLA (8th ed.)Sklias. Greece's Horizons. 1. Springer Berlin Heidelberg, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.