Richardson, T., London, J., & Young, T. (2009). Un equilibrio delicado. Círculo Media Direct.
Chicago Style (17th ed.) CitationRichardson, Tony, Jerry London, and Terence Young. Un Equilibrio Delicado. Madrid: Círculo Media Direct, 2009.
MLA (9th ed.) CitationRichardson, Tony, et al. Un Equilibrio Delicado. Círculo Media Direct, 2009.
Warning: These citations may not always be 100% accurate.