K H Head. (1994). Manual of soil laboratory testing; Vol.2: Permeability, shear strength and compressibility tests. London: Pentech Press.
Trích dẫn kiểu ChicagoK H Head. Manual of Soil Laboratory Testing; Vol.2: Permeability, Shear Strength and Compressibility Tests. London: Pentech Press, 1994.
Deismireacht MLAK H Head. Manual of Soil Laboratory Testing; Vol.2: Permeability, Shear Strength and Compressibility Tests. London: Pentech Press, 1994.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.