This document contains information about bibliographies and references. It defines a bibliography as a list of all sources used in research, including author names, titles, publishers and dates. An annotated bibliography also includes brief descriptions of the content and usefulness of each source. The document defines reference as a relation where one object connects to or designates another object, called the referent. References can take many forms, including thoughts, sensory perceptions, emotions, relationships, coordinates, symbols or physical objects. The types of references depend on the particular context.