Covey Stephen M R & Greg Link. (2012). Smart Trust: Creating Prosperity Energy and Joy in a Low Trust World. London.
استشهاد بنمط شيكاغوCovey Stephen M R و Greg Link. Smart Trust: Creating Prosperity Energy and Joy in a Low Trust World. London, 2012.
MLA استشهادCovey Stephen M R و Greg Link. Smart Trust: Creating Prosperity Energy and Joy in a Low Trust World. London, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.