Cita APA (7th ed.)

Handy, R. L., & Spangler, M. G. (2007). Geotechnical engineering: Soil and foundation principles and practice (Fifth edition.). Mcgraw-Hill.

Cita Chicago (17th ed.)

Handy, Richard Lincoln, i M. G. Spangler. Geotechnical Engineering: Soil and Foundation Principles and Practice. Fifth edition. New York, NY: Mcgraw-Hill, 2007.

Cita MLA (9th ed.)

Handy, Richard Lincoln, i M. G. Spangler. Geotechnical Engineering: Soil and Foundation Principles and Practice. Fifth edition. Mcgraw-Hill, 2007.