Buchmesse, F. (2021). Facts & Figures: The Frankfurter Book Fair 2009 in numbers. Frankfurter Buchmesse.
Cita Chicago Style (17a ed.)Buchmesse, Frankfurter. Facts & Figures: The Frankfurter Book Fair 2009 in Numbers. Frankfurter Buchmesse, 2021.
Cita MLA (8a ed.)Buchmesse, Frankfurter. Facts & Figures: The Frankfurter Book Fair 2009 in Numbers. Frankfurter Buchmesse, 2021.
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