Groff, V. (1990). Power of color in design: For desktop publishing. MIS press.
Čikaški stil citiranjaGroff, Vern. Power of Color in Design: For Desktop Publishing. Portland: MIS press, 1990.
MLA način citiranjaGroff, Vern. Power of Color in Design: For Desktop Publishing. MIS press, 1990.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.