1. Nelson, R., and Sykes, A. (2013). Outdoor Advertising, Routledge.
2. Barry, P. (2016). Advertising Concept Book 3E: Think Now, Design Later, Thames & Hudson. [3rd ed.].
3. Bernstein, D. (1997). Advertising Outdoors: Watch This Space!, Phaidon Press. [1st ed.].
4. Sutte, D.T. (1994). The Appraisal of Outdoor Advertising Signs, Appraisal Institute.
5. Arens, W., and Weigold, M.M. (2017). Advertising, McGraw Hill. [3rd ed.].