Astúa Ureña, M., Rojas-Bourrillon, A., & Campos-Granados, C. M. (2020). Nutrient extraction of wild sunflower (Tithonia diversifolia) INTA-Quepos ecotype at three regrowth ages with three levels of nitrogen fertilization.
استشهاد بنمط شيكاغوAstúa Ureña, Maikol, Augusto Rojas-Bourrillon, و Carlos M. Campos-Granados. Nutrient Extraction of Wild Sunflower (Tithonia Diversifolia) INTA-Quepos Ecotype At Three Regrowth Ages With Three Levels of Nitrogen Fertilization. 2020.
MLA استشهادAstúa Ureña, Maikol, Augusto Rojas-Bourrillon, و Carlos M. Campos-Granados. Nutrient Extraction of Wild Sunflower (Tithonia Diversifolia) INTA-Quepos Ecotype At Three Regrowth Ages With Three Levels of Nitrogen Fertilization. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.