Marshall, E. S., & Murray, R. P. (1914). A supplement to The flora of Somerset. Somersetshire Archaeological and Natural History Society.
Lua i Stíl Chicago (17ú heag.)Marshall, Edward Shearburn, agus Richard Paget Murray. A Supplement to The Flora of Somerset. Taunton: Somersetshire Archaeological and Natural History Society, 1914.
Lua MLA (8ú heag.)Marshall, Edward Shearburn, agus Richard Paget Murray. A Supplement to The Flora of Somerset. Somersetshire Archaeological and Natural History Society, 1914.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.