APA استشهاد

Brady,, N. C., & Weil,, R. R. (2010). Elements of the nature and properties of soils (3.). Pearson education.

استشهاد بنمط شيكاغو

Brady,, Nyle C., و Ray R. Weil. Elements of the Nature and Properties of Soils. 3. New Jersey: Pearson education, 2010.

MLA استشهاد

Brady,, Nyle C., و Ray R. Weil. Elements of the Nature and Properties of Soils. 3. Pearson education, 2010.