PERL, P. Ferns. Virginia.
Lua i Stíl Chicago (17ú heag.)PERL, PHILIP. Ferns. Virginia.
Lua MLA (8ú heag.)PERL, PHILIP. Ferns. Virginia.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)