Karaman, Z. T. 2013. Agenda 21 , pp.69-76.

Karaman, Z. T., (2013). Agenda 21.

Karaman, ZERRİN. Agenda 21, Springer, London/Berlin , 2013

Karaman, ZERRİN T. . "Agenda 21." Springer, London/Berlin , 2013.

Karaman, Z. T. 2013. "Agenda 21." , Springer, London/Berlin , pp.69-76.

@encyclopedia{encyclopedia, author={ZERRİN TOPRAK KARAMAN}, title={Agenda 21}, publisher={Springer, London/Berlin }, pages={69-76} }