Gephart, R. P. And Topal, Ç. 2007. Environmental determinism , pp.452-453.

Gephart, R. P., & Topal, Ç., (2007). Environmental determinism.

Gephart, Robert, And ÇAĞRI TOPAL. Environmental determinism, Sage, London/New Delhi , 2007

Gephart, Robert P. And Topal, ÇAĞRI. "Environmental determinism." Sage, London/New Delhi , 2007.

Gephart, R. P. And Topal, Ç. 2007. "Environmental determinism." , Sage, London/New Delhi , pp.452-453.

@encyclopedia{encyclopedia, author={Robert P. Gephart And author={ÇAĞRI TOPAL}, title={Environmental determinism}, publisher={Sage, London/New Delhi }, pages={452-453} }