Syed, M. (2015). Black box thinking. John Murray.
Lua i Stíl Chicago (17ú heag.)Syed, Mathew. Black Box Thinking. London: John Murray, 2015.
Lua MLA (9ú heag.)Syed, Mathew. Black Box Thinking. John Murray, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.