Houlsby, G., Wroth, C., & Denness, B. (1984). Calculation of stresses on shallow penetrometers and footings. Graham and Trotman, London; IHRDC, Boston.
Cita Chicago (17th ed.)Houlsby, G., C. Wroth, i B. Denness. Calculation of Stresses on Shallow Penetrometers and Footings. Graham and Trotman, London; IHRDC, Boston, 1984.
Cita MLA (9th ed.)Houlsby, G., et al. Calculation of Stresses on Shallow Penetrometers and Footings. Graham and Trotman, London; IHRDC, Boston, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.