APA (7th ed.) Zitazioa

Armstrong , C. . F. (1961). Soil mechanics in road construction (2nd ed.). Edward Arnold.

Chicago Style (17th ed.) Zitazioa

Armstrong , Christopher F. Soil Mechanics in Road Construction. 2nd ed. London: Edward Arnold, 1961.

MLA (9th ed.) Zitazioa

Armstrong , Christopher F. Soil Mechanics in Road Construction. 2nd ed. Edward Arnold, 1961.