Russell, R. S. (1977). Plant root systems: Their function and interaction with the soil. Mc Graw Hill Book company.
استشهاد بنمط شيكاغوRussell, R S. Plant Root Systems: Their Function and Interaction with the Soil. London: Mc Graw Hill Book company, 1977.
MLA استشهادRussell, R S. Plant Root Systems: Their Function and Interaction with the Soil. Mc Graw Hill Book company, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.