Weinberger, D., & Harrison, P. (2011). Preface to the 3rd Edition. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)Weinberger, DR, agus P. Harrison. Preface to the 3rd Edition. Wiley-Blackwell, 2011.
Lua MLA (9ú heag.)Weinberger, DR, agus P. Harrison. Preface to the 3rd Edition. Wiley-Blackwell, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.