Cita APA (7a ed.)

Burkhardt, F. W. (1983). Newspapers and electronic media: An IFRA study. IFRA.

Cita Chicago Style (17a ed.)

Burkhardt, Friedrich W. Newspapers and Electronic Media: An IFRA Study. Darmstadt: IFRA, 1983.

Cita MLA (9a ed.)

Burkhardt, Friedrich W. Newspapers and Electronic Media: An IFRA Study. IFRA, 1983.