Não informado. (1957). Electrical equipment news. Southam Business Publications.
Cita Chicago Style (17a ed.)Não informado. Electrical Equipment News. Toronto, Canada: Southam Business Publications, 1957.
Cita MLA (8a ed.)Não informado. Electrical Equipment News. Southam Business Publications, 1957.
Precaución: Estas citas no son 100% exactas.