Compton, R. (1989). Preface.
Lua i Stíl Chicago (17ú heag.)Compton, R. Preface. 1989.
Lua MLA (9ú heag.)Compton, R. Preface. 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)