Answer:
source card.
Explanation:
An information source can be defined as a system or medium through which informations, knowledge and ideas may be gotten and used by an individual. Also, an information source can either be a primary or secondary source of information.
Basically, the source options for informations are television, radio, web, newspapers, journals, magazines etc.
A source card can be defined as a card that comprises of pertinent informations about a literary work and are necessary for its citation. It comprises of informations such as publication date, author's name, website address (URL), title, copyright date, publisher, etc.
During a research, a source card is made by the researcher to tell the facts about the source he or she is using.
