Duzgun, S. And Kemeç, S. 2017. The Encyclopedia of GIS , pp.1958 - 1962.

Duzgun, S., & Kemeç, S., (2017). The Encyclopedia of GIS.

Duzgun, Sebnem, And Serkan Kemeç. The Encyclopedia of GIS, Springer, London/Berlin , 2017

Duzgun, Sebnem And Kemeç, Serkan. "The Encyclopedia of GIS." Springer, London/Berlin , 2017.

Duzgun, S. And Kemeç, S. 2017. "The Encyclopedia of GIS." , Springer, London/Berlin , pp.1958 - 1962.

@encyclopedia{encyclopedia, author={Sebnem Duzgun And author={Serkan Kemeç}, title={The Encyclopedia of GIS}, publisher={Springer, London/Berlin }, pages={1958 - 1962} }