Cita APA (7a ed.)

Klaffke, K. (1993). Italian periodicals market. Die Zeitschriften.

Cita Chicago Style (17a ed.)

Klaffke, Konstantin. Italian Periodicals Market. Bonn: Die Zeitschriften, 1993.

Cita MLA (9a ed.)

Klaffke, Konstantin. Italian Periodicals Market. Die Zeitschriften, 1993.