MSBSHSE. (2006). Towards sustainable development Std XI (Environment education). author.
Cita Chicago (17th ed.)MSBSHSE. Towards Sustainable Development Std XI (Environment Education). Pune: author, 2006.
Cita MLA (9th ed.)MSBSHSE. Towards Sustainable Development Std XI (Environment Education). author, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.