Havranek, C. E., & Harris, S. (2021). Hedgerow Surveys at Ditchley Park, Oxfordshire, UK, 2015. University of Oxford.
Lua i Stíl Chicago (17ú heag.)Havranek, C E., agus S. Harris. Hedgerow Surveys at Ditchley Park, Oxfordshire, UK, 2015. University of Oxford, 2021.
Lua MLA (9ú heag.)Havranek, C E., agus S. Harris. Hedgerow Surveys at Ditchley Park, Oxfordshire, UK, 2015. University of Oxford, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.