A. Okay And C. Göncüoǧlu, "Preface," Turkish Journal of Earth Sciences , vol.13, no.2, 2004
Okay, A. And Göncüoǧlu, C. 2004. Preface. Turkish Journal of Earth Sciences , vol.13, no.2 .
Okay, A., & Göncüoǧlu, C., (2004). Preface. Turkish Journal of Earth Sciences , vol.13, no.2.
Okay, Aral, And Cemal Göncüoǧlu. "Preface," Turkish Journal of Earth Sciences , vol.13, no.2, 2004
Okay, Aral And Göncüoǧlu, Cemal. "Preface." Turkish Journal of Earth Sciences , vol.13, no.2, 2004
Okay, A. And Göncüoǧlu, C. (2004) . "Preface." Turkish Journal of Earth Sciences , vol.13, no.2.
@article{article, author={Aral Okay And author={Cemal Göncüoǧlu}, title={Preface}, journal={Turkish Journal of Earth Sciences}, year=2004}