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Lua i Stíl Chicago (17ú heag.)Loefling, Pedro Löfling. Plantae Americanae. Madrid: Insula, 1957.
Lua MLA (9ú heag.)Loefling, Pedro Löfling. Plantae Americanae. Insula, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.