Sutton, M., Briggs, D., Siveter, D., & Siveter, D. (2011). A soft-bodied lophophorate from the Silurian of England.
Lua i Stíl Chicago (17ú heag.)Sutton, MD, D. Briggs, D. Siveter, agus D. Siveter. A Soft-bodied Lophophorate from the Silurian of England. 2011.
Lua MLA (9ú heag.)Sutton, MD, et al. A Soft-bodied Lophophorate from the Silurian of England. 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.