Fogelin, R. J. (2001). Understanding arguments: An introduction to informal logic. Fort Worth, TX: Harcourt College Publishers.
Trích dẫn kiểu ChicagoFogelin, Robert J. Understanding Arguments: An Introduction to Informal Logic. Fort Worth, TX: Harcourt College Publishers, 2001.
MLA CitationFogelin, Robert J. Understanding Arguments: An Introduction to Informal Logic. Fort Worth, TX: Harcourt College Publishers, 2001.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.