Bailey, K. D. (1994). Typologies and taxonomies: An introduction to classification techniques. Sage.
Citazione stile Chigago Style (17a edizione)Bailey, Kenneth D. Typologies and Taxonomies: An Introduction to Classification Techniques. Thousand Oaks, Calif: Sage, 1994.
Citatione MLA (9a ed.)Bailey, Kenneth D. Typologies and Taxonomies: An Introduction to Classification Techniques. Sage, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.