(2023). Echinops niveus, Wall. UNSPECIFIED.
Lua i Stíl Chicago (17ú heag.)Echinops Niveus, Wall. UNSPECIFIED, 2023.
Lua MLA (9ú heag.)Echinops Niveus, Wall. UNSPECIFIED, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.