Martin Stephen. (1993). Advanced Industrial Economics. Blackwell.
Lua i Stíl Chicago (17ú heag.)Martin Stephen. Advanced Industrial Economics. UK: Blackwell, 1993.
Lua MLA (9ú heag.)Martin Stephen. Advanced Industrial Economics. Blackwell, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.