Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

World Trade Press y Inc ebrary. Germany: Communications. World Trade Press, 2010.