Dyfyniad APA

Hoffman, R. C. (1936). The romance of commerce. Little, Brown, and company.

Dyfyniad Arddull Chicago

Hoffman, Ruth Christine. The Romance of Commerce. Boston: Little, Brown, and company, 1936.

Dyfyniad MLA

Hoffman, Ruth Christine. The Romance of Commerce. Little, Brown, and company, 1936.

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