Lua APA (7ú heag.)

Roberts, B. (2002). Biographical research. Open University Press.

Lua i Stíl Chicago (17ú heag.)

Roberts, Brian. Biographical Research. Buckingham ; Phildelphia: Open University Press, 2002.

Lua MLA (9ú heag.)

Roberts, Brian. Biographical Research. Open University Press, 2002.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.