Riordan, S. (1989). CLIO awards: A tribute to thirty years of ad- excellence 1960-1989. PBC International.
Lua i Stíl Chicago (17ú heag.)Riordan, Steve. CLIO Awards: A Tribute to Thirty Years of Ad- Excellence 1960-1989. New york: PBC International, 1989.
Lua MLA (9ú heag.)Riordan, Steve. CLIO Awards: A Tribute to Thirty Years of Ad- Excellence 1960-1989. PBC International, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.