WHITLEY RICHARD. (1992). EUROPEAN BUSINESS SYSTEMS: FIRMS AND MARKET IN THEIR NATIONAL CONTEXTS. SAGE PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)WHITLEY RICHARD. EUROPEAN BUSINESS SYSTEMS: FIRMS AND MARKET IN THEIR NATIONAL CONTEXTS. LONDON: SAGE PUBLICATIONS, 1992.
Lua MLA (9ú heag.)WHITLEY RICHARD. EUROPEAN BUSINESS SYSTEMS: FIRMS AND MARKET IN THEIR NATIONAL CONTEXTS. SAGE PUBLICATIONS, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.