Lua APA (7ú heag.)

DE ANIL KUMAR. (2006). ENVIRONMENTAL CHEMISTRY (6TH ED.). NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS.

Lua i Stíl Chicago (17ú heag.)

DE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. 6TH ED. NEW DELHI: NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS, 2006.

Lua MLA (9ú heag.)

DE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. 6TH ED. NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS, 2006.

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