Cita APA (7a ed.)

Brouwer, M., & Jong, H. W. d. (1978). A study of the evolution of concentration in the Dutch press, magazines, and schoolbooks publishing industries. Commission of the European Communities.

Cita Chicago Style (17a ed.)

Brouwer, Maria, y H. W. de Jong. A Study of the Evolution of Concentration in the Dutch Press, Magazines, and Schoolbooks Publishing Industries. Brussels: Commission of the European Communities, 1978.

Cita MLA (9a ed.)

Brouwer, Maria, y H. W. de Jong. A Study of the Evolution of Concentration in the Dutch Press, Magazines, and Schoolbooks Publishing Industries. Commission of the European Communities, 1978.