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Lua i Stíl Chicago (17ú heag.)Herngreen, G. F. W. Palynology of Middle and Upper Cretaceous Strata in Brazil. [Roermond, The Netherlands: Drukkerij H. van der Marck & Zonen], 1975.
Lua MLA (8ú heag.)Herngreen, G. F. W. Palynology of Middle and Upper Cretaceous Strata in Brazil. Drukkerij H. van der Marck & Zonen], 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.