Tohutoro APA (7th ed.)
Elkington, J., Hailes, J., & Makower, J. (1990). The green consumer. Penguin Books.
Tohutoru Kātū Chicago (17th ed.)
Elkington, John, Julia Hailes, me Joel Makower. The Green Consumer. New York, N.Y., U.S.A.: Penguin Books, 1990.
Tohutoro MLA (9th ed.)
Elkington, John, et al. The Green Consumer. Penguin Books, 1990.
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