Kopmeyer, M. (1991). Thoughts to build on: Thought power for successful living. Universal book stall.
استشهاد بنمط شيكاغوKopmeyer, M.R. Thoughts to Build on: Thought Power for Successful Living. New Delhi: Universal book stall, 1991.
MLA استشهادKopmeyer, M.R. Thoughts to Build on: Thought Power for Successful Living. Universal book stall, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.