Saxena, y. (2004). Environment explained: Meaning and definitions of terms and themes. Excel.
Citace podle Chicago (17th ed.)Saxena, y. Environment Explained: Meaning and Definitions of Terms and Themes. New Delhi: Excel, 2004.
Citace podle MLA (9th ed.)Saxena, y. Environment Explained: Meaning and Definitions of Terms and Themes. Excel, 2004.
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