Krippendorff, K. (2013). Content analysis: An introduction to its methodology (3a. ed.). SAGE.
Cita Chicago (17th ed.)Krippendorff, Klaus. Content Analysis: An Introduction to Its Methodology. 3a. ed. Los Angeles: SAGE, 2013.
Cita MLA (9th ed.)Krippendorff, Klaus. Content Analysis: An Introduction to Its Methodology. 3a. ed. SAGE, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.