APA Edition Citation

Covey,Stephen R. (1991). Principle centred leadership. Pocket Books.

Chicago Edition Citation

Covey,Stephen R. Principle Centred Leadership. London: Pocket Books, 1991.

MLA Edition Citation

Covey,Stephen R. Principle Centred Leadership. Pocket Books, 1991.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.