Dyfyniad APA

Smiles, S. (1885). Men of invention and industry. New York: Harper & Brothers.

Dyfyniad Arddull Chicago

Smiles, Samuel. Men of Invention and Industry. New York: Harper & Brothers, 1885.

Dyfyniad MLA

Smiles, Samuel. Men of Invention and Industry. New York: Harper & Brothers, 1885.

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