Cita APA (7th ed.)
ebrary, Inc. (2006). The Hutchinson factfinder. Helicon Pub..
Cita Chicago (17th ed.)
ebrary, Inc. The Hutchinson Factfinder. Abingdon: Helicon Pub., 2006.
Cita MLA (9th ed.)
ebrary, Inc. The Hutchinson Factfinder. Helicon Pub., 2006.
Atenció: Aquestes cites poden no estar 100% correctes.