Cita APA (7a ed.)
Walker, L., & Blount, S. Letterhead and Logo Designs 1: Creating the Corporate Image (2a edición.). Rockport.
Cita estilo Chicago (17a ed.)
Walker, Lisa, y Steve Blount. Letterhead and Logo Designs 1: Creating the Corporate Image. 2a edición. Rockport, EUA: Rockport.
Cita MLA (9a ed.)
Walker, Lisa, y Steve Blount. Letterhead and Logo Designs 1: Creating the Corporate Image. 2a edición. Rockport.
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