Where do you search for information?
There are different types of publications that provide information. They are called popular, scholarly, and trade publications. Depending on the information you are seeking, you may find one publication type beneficial over another.
A publication is any work that has been prepared and published for public sale and/or distribution. Publications are sources where you find information. Common, everyday publications include but are not limited to: journals, magazines, newspapers, and books.
Review the chart available here for more information on the different publication types.