The seven habits of highly effective people : restoring the character ethic /

за авторством Covey, Stephen R.
Опубліковано 1989

The power of character : prominent Americans talk about life, family, work, values, and more /

Опубліковано 1998

What all the world's a-seeking: or the vital law of true life, the greatness, power, and happiness /

за авторством Trine, Ralph Waldo 1866-1958
Опубліковано 1896

The 7 habits of highly effective people : restoring the character ethic /

за авторством Covey, Stephen R.