APA (7th ed.) Citation

Silva, M. A. d., & Siriwardene, R. (1977). Communication policies in Sri Lanka. UNESCO.

Chicago Style (17th ed.) Citation

Silva, M. A. de, and Reggie Siriwardene. Communication Policies in Sri Lanka. París: UNESCO, 1977.

MLA (9th ed.) Citation

Silva, M. A. de, and Reggie Siriwardene. Communication Policies in Sri Lanka. UNESCO, 1977.