Fogelin, R. J. (1987). Understanding arguments: An introduction to informal logic (3ª ed.). Harcourt Brace Jovanovich.
Citación estilo ChicagoFogelin, Robert J. Understanding Arguments: An Introduction to Informal Logic. 3ª ed. Harcourt Brace Jovanovich, 1987.
Cita MLAFogelin, Robert J. Understanding Arguments: An Introduction to Informal Logic. 3ª ed. Harcourt Brace Jovanovich, 1987.
Warning: These citations may not always be 100% accurate.