Cita APA (7th ed.)
Clayton, C., & Milititsky, J. (2005). Earth pressure and earth-retaining structures (2nd ed.). Taylor & Francis Group.
Cita Chicago (17th ed.)
Clayton, C.R.I, i J/Woods Milititsky. Earth Pressure and Earth-retaining Structures. 2nd ed. New York: Taylor & Francis Group, 2005.
Cita MLA (9th ed.)
Clayton, C.R.I, i J/Woods Milititsky. Earth Pressure and Earth-retaining Structures. 2nd ed. Taylor & Francis Group, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.