Cita APA (7a ed.)

(1992). Letterhead & Logo designs 2: Creating the corporate image. Rockpor.

Cita Chicago Style (17a ed.)

Letterhead & Logo Designs 2: Creating the Corporate Image. Rockport: Rockpor, 1992.

Cita MLA (9a ed.)

Letterhead & Logo Designs 2: Creating the Corporate Image. Rockpor, 1992.