Celik, Y., Peker, K., & Oguz, C. (2010). Comparative Analysis of Energy Efficiency in Organic and Conventional Farming Systems: A Case Study of Black Carrot (Daucus carota L.) Production in Turkey. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).
Cita Chicago (17th ed.)Celik, Yusuf, Kenan Peker, i Cennet Oguz. "Comparative Analysis of Energy Efficiency in Organic and Conventional Farming Systems: A Case Study of Black Carrot (Daucus Carota L.) Production in Turkey." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2010.
Cita MLA (9th ed.)Celik, Yusuf, et al. "Comparative Analysis of Energy Efficiency in Organic and Conventional Farming Systems: A Case Study of Black Carrot (Daucus Carota L.) Production in Turkey." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2010.