Hagan, R. M. (1950). SOIL AERATION AS A FACTOR IN WATER ABSORPTION BY THE ROOTS OF TRANSPIRING PLANTS.
استشهاد بنمط شيكاغوHagan, Robert M. SOIL AERATION AS A FACTOR IN WATER ABSORPTION BY THE ROOTS OF TRANSPIRING PLANTS. 1950.
MLA استشهادHagan, Robert M. SOIL AERATION AS A FACTOR IN WATER ABSORPTION BY THE ROOTS OF TRANSPIRING PLANTS. 1950.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.