Não informado. (1891). Electrical news and engineering. Southam Business Publications.
Chicago-Zitierstil (17. Ausg.)Não informado. Electrical News and Engineering. Toronto, Canada: Southam Business Publications, 1891.
MLA-Zitierstil (8. Ausg.)Não informado. Electrical News and Engineering. Southam Business Publications, 1891.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.