AGARWAL, S. (2014). ENVIRONMENTAL ISSUES AND THEMES. APH PUBLISHING.
Lua i Stíl Chicago (17ú heag.)AGARWAL, S.K. ENVIRONMENTAL ISSUES AND THEMES. NEW DELHI: APH PUBLISHING, 2014.
Lua MLA (9ú heag.)AGARWAL, S.K. ENVIRONMENTAL ISSUES AND THEMES. APH PUBLISHING, 2014.
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