Cunningham, P. C. (1966). Effects of ploughing and sowing dates on behaviour of soil-borne pathogens of spring wheat. Pls., tables.
Lua i Stíl Chicago (17ú heag.)Cunningham, P. C. Effects of Ploughing and Sowing Dates on Behaviour of Soil-borne Pathogens of Spring Wheat. Pls., Tables. 1966.
Lua MLA (9ú heag.)Cunningham, P. C. Effects of Ploughing and Sowing Dates on Behaviour of Soil-borne Pathogens of Spring Wheat. Pls., Tables. 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
