Cita APA (7a ed.)

Charter, M., & Tischner, U. (2001). Sustainable solutions: Developing products and services for the future. Greenleaf Pub..

Cita Chicago Style (17a ed.)

Charter, Martin, y Ursula Tischner. Sustainable Solutions: Developing Products and Services for the Future. Sheffield, U.K.: Greenleaf Pub., 2001.

Cita MLA (8a ed.)

Charter, Martin, y Ursula Tischner. Sustainable Solutions: Developing Products and Services for the Future. Greenleaf Pub., 2001.