Pfeiffer-Belli, E. (1959). Sasha Morgenthalers Puppen.
Cita Chicago (17th ed.)Pfeiffer-Belli, Erich. Sasha Morgenthalers Puppen. 1959.
Cita MLA (8th ed.)Pfeiffer-Belli, Erich. Sasha Morgenthalers Puppen. 1959.
Atenció: Aquestes cites poden no estar 100% correctes.