Lua APA (7ú heag.)

Havranek, C. E., & Harris, S. (2020). Butterfly count surveys in field margins at Ditchley Park, Oxfordshire, UK, June - July 2016. University of Oxford.

Lua i Stíl Chicago (17ú heag.)

Havranek, C E., agus S. Harris. Butterfly Count Surveys in Field Margins at Ditchley Park, Oxfordshire, UK, June - July 2016. University of Oxford, 2020.

Lua MLA (9ú heag.)

Havranek, C E., agus S. Harris. Butterfly Count Surveys in Field Margins at Ditchley Park, Oxfordshire, UK, June - July 2016. University of Oxford, 2020.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.