Hayward, J. (1968). Measurement of Soil Loss From Fractional Acre Plots. Agricultural Engineering Institute.
Lua i Stíl Chicago (17ú heag.)Hayward, J.A. Measurement of Soil Loss From Fractional Acre Plots. New Zealand: Agricultural Engineering Institute, 1968.
Lua MLA (9ú heag.)Hayward, J.A. Measurement of Soil Loss From Fractional Acre Plots. Agricultural Engineering Institute, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.