Ritvo, H. Varities of Taxonomic Experience: Harriet Ritvo. Spaces of classification.(2003).
Lua i Stíl Chicago (17ú heag.)Ritvo, Harriet. "Varities of Taxonomic Experience: Harriet Ritvo." Spaces of Classification.(2003) .
Lua MLA (8ú heag.)Ritvo, Harriet. "Varities of Taxonomic Experience: Harriet Ritvo." Spaces of Classification.(2003), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.