Παραπομπή APA

Khan, I. H. (1998). Text book of geotechnical engineering. Prentice Hall.

Παραπομπή Chicago Style

Khan, Iqbal H. Text Book of Geotechnical Engineering. New Delhi: Prentice Hall, 1998.

Παραπομπή MLA

Khan, Iqbal H. Text Book of Geotechnical Engineering. Prentice Hall, 1998.