Style de citation APA

Stephen R Covey. (2004). The 7 habits Of Highly Effective People. Pocket Books.

Style de citation Chicago

Stephen R Covey. The 7 Habits Of Highly Effective People. London: Pocket Books, 2004.

Style de citation MLA

Stephen R Covey. The 7 Habits Of Highly Effective People. Pocket Books, 2004.

Attention : ces citations peuvent ne pas être correctes à 100%.