Dyfyniad APA

Covey, S. R., & Stephen R Covey. (1999). The 7 habits of highly effective families: Building a beautiful family culture in a turbulent world. Franklin Covey.

Dyfyniad Arddull Chicago

Covey, Stephen R., and Stephen R Covey. The 7 Habits of Highly Effective Families: Building a Beautiful Family Culture in a Turbulent World. Great Britain: Franklin Covey, 1999.

Dyfyniad MLA

Covey, Stephen R., and Stephen R Covey. The 7 Habits of Highly Effective Families: Building a Beautiful Family Culture in a Turbulent World. Franklin Covey, 1999.

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