Cita APA (7th ed.)

World Trade Press & ebrary, Inc. (2010). El Salvador: Society & culture. World Trade Press.

Cita Chicago (17th ed.)

World Trade Press i Inc ebrary. El Salvador: Society & Culture. Petaluma, Calif.: World Trade Press, 2010.

Cita MLA (9th ed.)

World Trade Press i Inc ebrary. El Salvador: Society & Culture. World Trade Press, 2010.