Não informado. (1993). Electronic business buyer. Cahners Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Electronic Business Buyer. Newton, Mass: Cahners Publishing, 1993.
Lua MLA (8ú heag.)Não informado. Electronic Business Buyer. Cahners Publishing, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.