Morris, J. (1997). Green goodsn: Consumers, product labels and the environment. The Institute of Economic Affairs.
Cita Chicago (17th ed.)Morris, Julian. Green Goodsn: Consumers, Product Labels and the Environment. London: The Institute of Economic Affairs, 1997.
Cita MLA (9th ed.)Morris, Julian. Green Goodsn: Consumers, Product Labels and the Environment. The Institute of Economic Affairs, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.