Cita APA (7th ed.)

(2002). The power of color. Learning Zone Express.

Cita Chicago (17th ed.)

The Power of Color. Owatonna, MN: Learning Zone Express, 2002.

Cita MLA (9th ed.)

The Power of Color. Learning Zone Express, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.