LIBRO: Green to gold Escrito por Daniel C. Esty, Andrew S. Winston

http://books.google.com.co/books?id=A4GcWkbHJPUC&printsec=frontcover&dq=ENVIRONMENTAL+STRATEGY&lr=

LIBRO: OECD environmental strategy Escrito por Organisation for Economic Co-operation and Development

http://books.google.com.co/books?id=7RZLbdQM6jUC&printsec=frontcover&dq=ENVIRONMENTAL+STRATEGY&lr=

LIBRO:Competitive Environmental Strategy Escrito por Andrew J. Hoffman

http://books.google.com.co/books?id=6gxwmh6JTIsC&pg=PA3&dq=ENVIRONMENTAL+STRATEGY&lr=