Smith, F. W., & Jackson, W. A. (1987). Nitrogen Enhancement of Phosphate Transport in Roots of Zea mays L: I. Effects of Ammonium and Nitrate Pretreatment.
استشهاد بنمط شيكاغوSmith, Frank W., و William A. Jackson. Nitrogen Enhancement of Phosphate Transport in Roots of Zea Mays L: I. Effects of Ammonium and Nitrate Pretreatment. 1987.
MLA استشهادSmith, Frank W., و William A. Jackson. Nitrogen Enhancement of Phosphate Transport in Roots of Zea Mays L: I. Effects of Ammonium and Nitrate Pretreatment. 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.