Walker, A. H., & Lotsch, J. L. (1929). A treatise on the law of patents for inventions (6th ed.). Baker Voorhis & Co..
Chicago Style (17th ed.) CitationWalker, Albert Henry, i John L. Lotsch. A Treatise on the Law of Patents for Inventions. 6th ed. New York: Baker Voorhis & Co., 1929.
Cita MLAWalker, Albert Henry, i John L. Lotsch. A Treatise on the Law of Patents for Inventions. 6th ed. Baker Voorhis & Co., 1929.
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