एपीए उद्धरण

K H Head. (1994). Manual of soil laboratory testing; Vol.2: Permeability, shear strength and compressibility tests. London: Pentech Press.

शिकागो स्टाइल उद्धरण

K H Head. Manual of Soil Laboratory Testing; Vol.2: Permeability, Shear Strength and Compressibility Tests. London: Pentech Press, 1994.

एमएलए उद्धरण

K H Head. Manual of Soil Laboratory Testing; Vol.2: Permeability, Shear Strength and Compressibility Tests. London: Pentech Press, 1994.