Hoffmann, W. (1956). Japan: Was jeder wissen muß. Kongress-Verlag.
Cita Chicago (17th ed.)Hoffmann, Walter. Japan: Was Jeder Wissen Muß. Berlin: Kongress-Verlag, 1956.
Cita MLA (8th ed.)Hoffmann, Walter. Japan: Was Jeder Wissen Muß. Kongress-Verlag, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.