Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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