(1998). Letterhead + logo design 5. Rockport.
Cita Chicago (17th ed.)Letterhead + Logo Design 5. Gloucester, Mass: Rockport, 1998.
Cita MLA (9th ed.)Letterhead + Logo Design 5. Rockport, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)