Brown, T. (1994). Historical first patents: The first United States patent for many everyday things. Scarecrow Press.
Chicago-Zitierstil (17. Ausg.)Brown, Travis. Historical First Patents: The First United States Patent for Many Everyday Things. Metuchen, NJ u.a: Scarecrow Press, 1994.
MLA-Zitierstil (9. Ausg.)Brown, Travis. Historical First Patents: The First United States Patent for Many Everyday Things. Scarecrow Press, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.