Cita APA (7a ed.)

Hopkinson, A., & Simmons, P. (1988). CCF: The Common Communication Format (2nd ed.). UNESCO.

Cita Chicago Style (17a ed.)

Hopkinson, Alan, y Peter Simmons. CCF: The Common Communication Format. 2nd ed. Paris: UNESCO, 1988.

Cita MLA (9a ed.)

Hopkinson, Alan, y Peter Simmons. CCF: The Common Communication Format. 2nd ed. UNESCO, 1988.