Cita APA (7th ed.)

ebrary, Inc. (2004). The Hutchinson directory of web sites. Helicon Pub..

Cita Chicago (17th ed.)

ebrary, Inc. The Hutchinson Directory of Web Sites. Abingdon, Oxon: Helicon Pub., 2004.

Cita MLA (9th ed.)

ebrary, Inc. The Hutchinson Directory of Web Sites. Helicon Pub., 2004.