Hessels, J. H. (1882). Gutenberg: was he the inventor of printing?: An historical investigation embodying a criticism of Dr. van der Linde's "Gutenberg.". B. Quaritch.
Cita Chicago Style (17a ed.)Hessels, Jan Hendrik. Gutenberg: Was He the Inventor of Printing?: An Historical Investigation Embodying a Criticism of Dr. Van Der Linde's "Gutenberg.". London: B. Quaritch, 1882.
Cita MLA (8a ed.)Hessels, Jan Hendrik. Gutenberg: Was He the Inventor of Printing?: An Historical Investigation Embodying a Criticism of Dr. Van Der Linde's "Gutenberg.". B. Quaritch, 1882.
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