Ryan, J. Et Al. 2009. NITROGEN IN RAINFED AND IRRIGATED CROPPING SYSTEMS IN THE MEDITERRANEAN REGION. ADVANCES IN AGRONOMY, VOL 104 , vol.104 , 53-136.

Ryan, J., İBRİKÇİ, H., Sommer, R., & McNeill, A., (2009). NITROGEN IN RAINFED AND IRRIGATED CROPPING SYSTEMS IN THE MEDITERRANEAN REGION. ADVANCES IN AGRONOMY, VOL 104 , vol.104, 53-136.

Ryan, John Et Al. "NITROGEN IN RAINFED AND IRRIGATED CROPPING SYSTEMS IN THE MEDITERRANEAN REGION," ADVANCES IN AGRONOMY, VOL 104 , vol.104, 53-136, 2009

Ryan, John Et Al. "NITROGEN IN RAINFED AND IRRIGATED CROPPING SYSTEMS IN THE MEDITERRANEAN REGION." ADVANCES IN AGRONOMY, VOL 104 , vol.104, pp.53-136, 2009

Ryan, J. Et Al. (2009) . "NITROGEN IN RAINFED AND IRRIGATED CROPPING SYSTEMS IN THE MEDITERRANEAN REGION." ADVANCES IN AGRONOMY, VOL 104 , vol.104, pp.53-136.

@article{article, author={John Ryan Et Al. }, title={NITROGEN IN RAINFED AND IRRIGATED CROPPING SYSTEMS IN THE MEDITERRANEAN REGION}, journal={ADVANCES IN AGRONOMY, VOL 104}, year=2009, pages={53-136} }