Cita APA (7th ed.)

ebrary, Inc. (2010). Paraguay: Communications. World Trade Press.

Cita Chicago (17th ed.)

ebrary, Inc. Paraguay: Communications. Petaluma, Calif.: World Trade Press, 2010.

Cita MLA (9th ed.)

ebrary, Inc. Paraguay: Communications. World Trade Press, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.