Lerner Media Group. (2017). Principles of sustainability. Salem Press, a division of EBSCO Information Services, Inc. ; Grey House Publishing.
Cita Chicago Style (17a ed.)Lerner Media Group. Principles of Sustainability. Ipswich, Massachusetts : [Amenia, New York]: Salem Press, a division of EBSCO Information Services, Inc. ; Grey House Publishing, 2017.
Cita MLA (8a ed.)Lerner Media Group. Principles of Sustainability. Salem Press, a division of EBSCO Information Services, Inc. ; Grey House Publishing, 2017.
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