Lua APA (7ú heag.)

Tryon, R. C., & Bailey, D. E. (1970). Cluster analysis. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Tryon, Robert Choate, agus Daniel Edgar Bailey. Cluster Analysis. New York: McGraw-Hill, 1970.

Lua MLA (9ú heag.)

Tryon, Robert Choate, agus Daniel Edgar Bailey. Cluster Analysis. McGraw-Hill, 1970.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.