APA
Head K., Epps R., . (2011). Manual of Soil Laboratory Testing Vol-2: Permeability,Shear Strength and Compressibility tests. Boca Raton: CRC Pres ,Whittles Publishing.
Chicago
Head K.H, Epps R.J, . 2011. Manual of Soil Laboratory Testing Vol-2: Permeability,Shear Strength and Compressibility tests. Boca Raton: CRC Pres ,Whittles Publishing.
Harvard
Head K., Epps R., . (2011). Manual of Soil Laboratory Testing Vol-2: Permeability,Shear Strength and Compressibility tests. Boca Raton: CRC Pres ,Whittles Publishing.
MLA
Head K.H, Epps R.J, . Manual of Soil Laboratory Testing Vol-2: Permeability,Shear Strength and Compressibility tests. Boca Raton: CRC Pres ,Whittles Publishing. 2011.