Barlow, G. (1921). Earthwork (9th ed.). Superintendent, Government Press.
Cita Chicago Style (17a ed.)Barlow, G.T. Earthwork. 9th ed. Allahabad: Superintendent, Government Press, 1921.
Cita MLA (9a ed.)Barlow, G.T. Earthwork. 9th ed. Superintendent, Government Press, 1921.
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