Kheiri, S., & Westheim, P. Orbis Pictus. Ernst Wasmuth Verlag.
Cita Chicago (17th ed.)Kheiri, Sattar, i Paul Westheim. Orbis Pictus. Berlin: Ernst Wasmuth Verlag.
Cita MLA (8th ed.)Kheiri, Sattar, i Paul Westheim. Orbis Pictus. Ernst Wasmuth Verlag.
Atenció: Aquestes cites poden no estar 100% correctes.