Παραπομπή APA

Brady, N. C., & Well, R. R. (2005). The Nature and properties of Soils (13.).

Παραπομπή Chicago Style

Brady, Nyle C., και Ray R. Well. The Nature and Properties of Soils. 13. Delhi, Pearson Education, 2005.

Παραπομπή MLA

Brady, Nyle C., και Ray R. Well. The Nature and Properties of Soils. 13. 2005.