Cita APA (7th ed.)
ebrary, Inc, Charter, M., & Tischner, U. (2001). Sustainable solutions: Developing products and services for the future. Greenleaf Pub..
Cita Chicago (17th ed.)
ebrary, Inc, Martin Charter, i Ursula Tischner. Sustainable Solutions: Developing Products and Services for the Future. Sheffield, U.K.: Greenleaf Pub., 2001.
Cita MLA (9th ed.)
ebrary, Inc, et al. Sustainable Solutions: Developing Products and Services for the Future. Greenleaf Pub., 2001.
Atenció: Aquestes cites poden no estar 100% correctes.