APA (7. basım) Alıntı

Covey, S. R. The 7 habits of highly effective people: Restoring the character ethic (Revised edition.).

Chicago Style (17. basım) Atıf

Covey, Stephen R. The 7 Habits of Highly Effective People: Restoring the Character Ethic. Revised edition.

MLA (8th ed.) Atıf

Covey, Stephen R. The 7 Habits of Highly Effective People: Restoring the Character Ethic. Revised edition.

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