Bowles, J. E. (1979). Physical and geotechnical properties of soils. Mc Graw Hill Book company.
Chicago Style aipamenaBowles, J E. Physical and Geotechnical Properties of Soils. NewYork: Mc Graw Hill Book company, 1979.
MLA aipamenaBowles, J E. Physical and Geotechnical Properties of Soils. Mc Graw Hill Book company, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.