(2007). The CRB Commodity Year book 2007. John Wiley.
Tohutoru Kātū Chicago (17th ed.)The CRB Commodity Year Book 2007. Hoboken, N. J.: John Wiley, 2007.
Tohutoro MLA (9th ed.)The CRB Commodity Year Book 2007. John Wiley, 2007.
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