APA引文

Covey, S. R. (1999). First things first: To live, to love, to learn, to leave a legacy. Simon & Schuster.

Chicago Edition Citation

Covey, Stephen R. First Things First: To Live, to Love, to Learn, to Leave a Legacy. Delhi: Simon & Schuster, 1999.

MLA引文

Covey, Stephen R. First Things First: To Live, to Love, to Learn, to Leave a Legacy. Simon & Schuster, 1999.