Cita APA (7th ed.)

Langton, D., & Campbell, A. (2011). Visual marketing: 99 proven ways for small businesses to market with images and design. Wiley.

Cita Chicago (17th ed.)

Langton, David, i Anita Campbell. Visual Marketing: 99 Proven Ways for Small Businesses to Market with Images and Design. Hoboken, N.J.: Wiley, 2011.

Cita MLA (9th ed.)

Langton, David, i Anita Campbell. Visual Marketing: 99 Proven Ways for Small Businesses to Market with Images and Design. Wiley, 2011.