Tohutoro APA (7th ed.)
Pearson, C. Field Crop Ecosystems. Elsevier.
Tohutoru Kātū Chicago (17th ed.)
Pearson, C.J. Field Crop Ecosystems. Amsterdam, Holanda: Elsevier.
Tohutoro MLA (9th ed.)
Pearson, C.J. Field Crop Ecosystems. Elsevier.
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