Covey, S. M. R. (2011). The Speed of Trust: The One Thing That Changes Everything. Franklin Covey.
Chicago-стиль цитированияCovey, Stephen M. R. The Speed of Trust: The One Thing That Changes Everything. Franklin Covey, 2011.
MLA-цитированиеCovey, Stephen M. R. The Speed of Trust: The One Thing That Changes Everything. Franklin Covey, 2011.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.