Bloom,Benjamin S. (1982). Human characterisrics. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Bloom,Benjamin S. Human Characterisrics. McGraw-Hill, 1982.
Lua MLA (8ú heag.)Bloom,Benjamin S. Human Characterisrics. McGraw-Hill, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.