Gaya APA

Covey, Stephen R.. (1994). The Seven Habits Of Highly Effective People: Powerful Lessons In Porsonal Change (Cet. 1.--). New York: Franklin Covey.

Gaya Chicago

Covey, Stephen R.. The Seven Habits Of Highly Effective People: Powerful Lessons In Porsonal Change. Cet. 1.-- New York: Franklin Covey, 1994. Text.

Gaya MLA

Covey, Stephen R.. The Seven Habits Of Highly Effective People: Powerful Lessons In Porsonal Change. Cet. 1.-- New York: Franklin Covey, 1994. Text.

Gaya Turabian

Covey, Stephen R.. The Seven Habits Of Highly Effective People: Powerful Lessons In Porsonal Change. Cet. 1.-- New York: Franklin Covey, 1994. Print.