Lua APA (7ú heag.)

MSBSHSE. (2006). Towards sustainable development std XI. Author.

Lua i Stíl Chicago (17ú heag.)

MSBSHSE. Towards Sustainable Development Std XI. Pune: Author, 2006.

Lua MLA (9ú heag.)

MSBSHSE. Towards Sustainable Development Std XI. Author, 2006.

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