Answer:
I. a journal entry written by a professor who is considered an expert.
II. a report written by an independent government source.
III. a document published by a renowned organization.
IV. a scientific paper put out by a non-profit organization.
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. An information source can either be a primary or secondary source of information.
Generally, the source options for informations includes the following; television, radio, web, newspapers, journals, magazines, etc.
All information source to be used in a literary work are expected to be unbiased, trustworthy and reliable. Also, they should be backed up by evidence from various information channels, accurate and relevant.
Relevance simply deals with the importance of an information for a writer's need. Thus, you should determine if the information addresses your questions or is related to your research.