Rossman, J. (1931). The psychology of the inventor: A study of the patentee (New and rev. ed.). Inventors Publishing.
Lua i Stíl Chicago (17ú heag.)Rossman, Joseph. The Psychology of the Inventor: A Study of the Patentee. New and rev. ed. Washington: Inventors Publishing, 1931.
Lua MLA (8ú heag.)Rossman, Joseph. The Psychology of the Inventor: A Study of the Patentee. New and rev. ed. Inventors Publishing, 1931.
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