Tohutoro APA (7th ed.)
(2003). Students̐ Book Nature & Environment. Santillana.
Tohutoru Kātū Chicago (17th ed.)
Students̐ Book Nature & Environment. Buenos Aires: Santillana, 2003.
Tohutoro MLA (9th ed.)
Students̐ Book Nature & Environment. Santillana, 2003.
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