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Lua i Stíl Chicago (17ú heag.)Smith, Dianne Mary Noelle. Taxonomic Studies in Pachycarpus (Ascelpiadaceae) in Southern Africa. 1980.
Lua MLA (8ú heag.)Smith, Dianne Mary Noelle. Taxonomic Studies in Pachycarpus (Ascelpiadaceae) in Southern Africa. 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.