@misc{shotton, author = "Shotton, M. A.", howpublished = {textit{5 librerías en JavaScript para hacer juegos en HTML5} [Sitio web]}, year = "1989", url="http://www.ebookstore.tandf.co.uk/html/index.asp" }
@misc{shottona, author = "Shotton, M. A.", howpublished = {textit{5 librerías en JavaScript para hacer juegos en HTML5} [PDF version]}, year = "2015", publisher = "url{http://dx.doi.org/10.1036/0071393722}" }
@misc{schiraldi, author = {Schiraldi, G. R.}, howpublished = {textit{The post-traumatic stress disorder sourcebook: A guide to healing, recovery, and growth} [Adobe Digital Editions version]}, year = {2001}, publisher = {url{http://dx.doi.org/10.1036/0071393722}} }