Rade, P., Goran, T., & Nada, P. (2009). Correlations of yield and grain yield components of winter wheat varieties. University of Belgrade - Faculty of Agriculture, Belgrade.
Lua i Stíl Chicago (17ú heag.)Rade, Protić, Todorović Goran, agus Protić Nada. Correlations of Yield and Grain Yield Components of Winter Wheat Varieties. University of Belgrade - Faculty of Agriculture, Belgrade, 2009.
Lua MLA (9ú heag.)Rade, Protić, et al. Correlations of Yield and Grain Yield Components of Winter Wheat Varieties. University of Belgrade - Faculty of Agriculture, Belgrade, 2009.
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