Hesse, H. (1978). Glass Bead Game (Magister ludi). Penguin.
Cita Chicago (17th ed.)Hesse, Hermann. Glass Bead Game (Magister Ludi). Harmondsworth, Middlesex: Penguin, 1978.
Cita MLA (9th ed.)Hesse, Hermann. Glass Bead Game (Magister Ludi). Penguin, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.