Morgan, M. A., Jackson, W. A., & Volk, R. J. (1972). Nitrate Absorption and Assimilation in Ryegrass as Influenced by Calcium and Magnesium.
استشهاد بنمط شيكاغوMorgan, M. A., W. A. Jackson, و R. J. Volk. Nitrate Absorption and Assimilation in Ryegrass As Influenced By Calcium and Magnesium. 1972.
MLA استشهادMorgan, M. A., W. A. Jackson, و R. J. Volk. Nitrate Absorption and Assimilation in Ryegrass As Influenced By Calcium and Magnesium. 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.