Fitz-Gibbon, C. T. (1987). How to analyze data. Sage.
Lua i Stíl Chicago (17ú heag.)Fitz-Gibbon, Carol Taylor. How to Analyze Data. Newbury Park: Sage, 1987.
Lua MLA (9ú heag.)Fitz-Gibbon, Carol Taylor. How to Analyze Data. Sage, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.