Cita APA (7th ed.)
Gania, E. T. (2004). U.S. immigration: Step by step (2nd ed.). Sphinx Pub..
Cita Chicago (17th ed.)
Gania, Edwin T. U.S. Immigration: Step by Step. 2nd ed. Naperville, Ill.: Sphinx Pub., 2004.
Cita MLA (9th ed.)
Gania, Edwin T. U.S. Immigration: Step by Step. 2nd ed. Sphinx Pub., 2004.
Atenció: Aquestes cites poden no estar 100% correctes.