Cita APA (7th ed.)
Zetterberg, H. L. (1966). On theory and verification in sociology.
Cita Chicago (17th ed.)
Zetterberg, Hans L. On Theory and Verification in Sociology. 1966.
Cita MLA (9th ed.)
Zetterberg, Hans L. On Theory and Verification in Sociology. 1966.
Atenció: Aquestes cites poden no estar 100% correctes.