Sterner, R. (1922). The continental element in the flora of south Sweden. Centraltryckeriet.
Lua i Stíl Chicago (17ú heag.)Sterner, Rikard. The Continental Element in the Flora of South Sweden. Stockholm: Centraltryckeriet, 1922.
Lua MLA (8ú heag.)Sterner, Rikard. The Continental Element in the Flora of South Sweden. Centraltryckeriet, 1922.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.