APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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