Cita APA (7a ed.)

Donnelly, D. (2011). 999 Logo Design Elements: 999 Design Components You Can Use to Create Logos. Quarto Publishing Group USA.

Cita Chicago Style (17a ed.)

Donnelly, Daniel. 999 Logo Design Elements: 999 Design Components You Can Use to Create Logos. Minneapolis: Quarto Publishing Group USA, 2011.

Cita MLA (9a ed.)

Donnelly, Daniel. 999 Logo Design Elements: 999 Design Components You Can Use to Create Logos. Quarto Publishing Group USA, 2011.