Cita APA (7a ed.)
(1989). Plastics news. Crain Communications.
Cita Chicago Style (17a ed.)
Plastics News. Akron, Ohio: Crain Communications, 1989.
Cita MLA (9a ed.)
Plastics News. Crain Communications, 1989.
Precaución: Estas citas no son 100% exactas.