7: Types of Sources Last updated Save as PDF Page ID 178747 7.1: Categorizing Sources 7.2: Quantitative or Qualitative Information 7.3: Fact or Opinion 7.4: Primary, Secondary and Tertiary Sources 7.5: Popular, Professional, and Scholarly 7.6: Publication Formats and the Information Lifecycle 7.7: Scholarly Articles as Sources 7.8: News as a Source 7.9: Data as Sources 7.10: People as Sources