Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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