Παραπομπή APA

Covey, S. M., & Merrill, R. R. (2006). Speed of trust: One thing that changes everything. Pocket Books.

Παραπομπή Chicago Style

Covey, Stephen M.R, και Rebecca R. Merrill. Speed of Trust: One Thing That Changes Everything. London: Pocket Books, 2006.

Παραπομπή MLA

Covey, Stephen M.R, και Rebecca R. Merrill. Speed of Trust: One Thing That Changes Everything. Pocket Books, 2006.