Lua APA (7ú heag.)

Orr, P., Siveter, D., Briggs, D., Siveter, D., & Sutton, M. (2000). A new arthropod from the Silurian Konservat-Lagerstatte of Herefordshire, UK.

Lua i Stíl Chicago (17ú heag.)

Orr, P., D. Siveter, D. Briggs, D. Siveter, agus MD Sutton. A New Arthropod from the Silurian Konservat-Lagerstatte of Herefordshire, UK. 2000.

Lua MLA (9ú heag.)

Orr, P., et al. A New Arthropod from the Silurian Konservat-Lagerstatte of Herefordshire, UK. 2000.

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