Cita APA

Causa Comun. Technical Department, United Nations Educational, Scientific and Cultural Organization, & Carrizosa Alajmo, A. (1977). Communication policies in Colombia. Unesco.

Citación estilo Chicago

Causa Comun. Technical Department, Scientific and Cultural Organization United Nations Educational, and Alberto Carrizosa Alajmo. Communication Policies in Colombia. Paris: Unesco, 1977.

Cita MLA

Causa Comun. Technical Department, et al. Communication Policies in Colombia. Unesco, 1977.