Citazione Stile APA (7a Edizione)

Brady, N. C., & Weil, R. R. (2008). The nature and properties of soils (14a. ed.). Pearson Education Ltd.

Citazione stile Chigago Style (17a edizione)

Brady, Nyle C., e Ray R. Weil. The Nature and Properties of Soils. 14a. ed. Upper Saddle River: Pearson Education Ltd, 2008.

Citatione MLA (9a ed.)

Brady, Nyle C., e Ray R. Weil. The Nature and Properties of Soils. 14a. ed. Pearson Education Ltd, 2008.