Covey, S. (1997). The 7 habits of highly effective families. Simon & Schuster.
Lua i Stíl Chicago (17ú heag.)Covey, Stephen. The 7 Habits of Highly Effective Families. New York: Simon & Schuster, 1997.
Lua MLA (9ú heag.)Covey, Stephen. The 7 Habits of Highly Effective Families. Simon & Schuster, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.