Cita APA (7th ed.)

Riordan, S. (1989). CLIO awards: A tribute to thirty years of ad- excellence 1960-1989. PBC International.

Cita Chicago (17th ed.)

Riordan, Steve. CLIO Awards: A Tribute to Thirty Years of Ad- Excellence 1960-1989. New york: PBC International, 1989.

Cita MLA (9th ed.)

Riordan, Steve. CLIO Awards: A Tribute to Thirty Years of Ad- Excellence 1960-1989. PBC International, 1989.