Cita APA (7th ed.)
Das,Braja M, & G.V.Ramana. (2011). Principles of Soil Dynamics (2nd ed.). Cengage Learning.
Cita Chicago (17th ed.)
Das,Braja M, i G.V.Ramana. Principles of Soil Dynamics. 2nd ed. India: Cengage Learning, 2011.
Cita MLA (9th ed.)
Das,Braja M, i G.V.Ramana. Principles of Soil Dynamics. 2nd ed. Cengage Learning, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.