Cita APA (7th ed.)
Reddy,D.Venkat. Engineering geology. Vikas.
Cita Chicago (17th ed.)
Reddy,D.Venkat. Engineering Geology. Kolkata: Vikas.
Cita MLA (9th ed.)
Reddy,D.Venkat. Engineering Geology. Vikas.
Atenció: Aquestes cites poden no estar 100% correctes.