ebrary, Inc, & Leal Filho, W. (2004). Environment 2010. Emerald Group Pub..
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Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, me Walter Leal Filho. Environment 2010. [Bradford, England]: Emerald Group Pub., 2004.
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Tohutoro MLA (9th ed.)
ebrary, Inc, me Walter Leal Filho. Environment 2010. Emerald Group Pub., 2004.
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Kua rahua te tārua ki te papatopenga
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