SpringerLink (Online service), Jianping, L., Minrong, L., Jinnan, W., Jianjian, L., Hongwen, S., & Maoxing, H. (2014). Report on Global Environmental Competitiveness (2013). Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Li Jianping, Li Minrong, Wang Jinnan, Li Jianjian, Su Hongwen, και Huang Maoxing. Report on Global Environmental Competitiveness (2013). Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2014.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Report on Global Environmental Competitiveness (2013). Springer Berlin Heidelberg : Imprint: Springer, 2014.
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