Lua APA (7ú heag.)

Barry, T. (1994). Excellence is a habit: How to avoid quality burnout. Ben Johnston.

Lua i Stíl Chicago (17ú heag.)

Barry, Thomas. Excellence Is a Habit: How to Avoid Quality Burnout. New delhi: Ben Johnston, 1994.

Lua MLA (9ú heag.)

Barry, Thomas. Excellence Is a Habit: How to Avoid Quality Burnout. Ben Johnston, 1994.

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