Cita APA

Kopmeyer, M. (1991). Thoughts to build on: Thought power for successful living. Universal book stall.

Citación estilo Chicago

Kopmeyer, M.R. Thoughts to Build on: Thought Power for Successful Living. New Delhi: Universal book stall, 1991.

Cita MLA

Kopmeyer, M.R. Thoughts to Build on: Thought Power for Successful Living. Universal book stall, 1991.