Cita APA (7a ed.)
Graphic Arts Technical Foundation. (1989). GATFworld. Graphic Arts Technical Foundation.
Cita Chicago Style (17a ed.)
Graphic Arts Technical Foundation. GATFworld. Pittsburgh, PA: Graphic Arts Technical Foundation, 1989.
Cita MLA (9a ed.)
Graphic Arts Technical Foundation. GATFworld. Graphic Arts Technical Foundation, 1989.
Precaución: Estas citas no son 100% exactas.