Cita APA (7th ed.)
Khan, I. M. (2005). Geotechnical engineering (2nd ed.). Prentice Hall.
Cita Chicago (17th ed.)
Khan, Iqbal M. Geotechnical Engineering. 2nd ed. New Delhi: Prentice Hall, 2005.
Cita MLA (9th ed.)
Khan, Iqbal M. Geotechnical Engineering. 2nd ed. Prentice Hall, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.