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Lua i Stíl Chicago (17ú heag.)Wang, Hsiao-Fan, agus Surendra M. Gupta. Green Supply Chain Management: Product Life Cycle Approach. First edition. New York: McGraw Hill, 2011.
Lua MLA (9ú heag.)Wang, Hsiao-Fan, agus Surendra M. Gupta. Green Supply Chain Management: Product Life Cycle Approach. First edition. McGraw Hill, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.