Covey, S. R. (1997). 7 Habits of highly effective families: Building a beautiful family culture in a turbulent world.
استشهاد بنمط شيكاغوCovey, Stephen R. 7 Habits of Highly Effective Families: Building a Beautiful Family Culture in a Turbulent World. Simon & Schuster, 1997.
MLA استشهادCovey, Stephen R. 7 Habits of Highly Effective Families: Building a Beautiful Family Culture in a Turbulent World. 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.