APA-viite

Kopmeyer, M. R. (1991). Proven success methods here's help: To get rid of your problems and fulfill your desires. Universal book stall.

Chicago-tyylinen lähdeviittaus

Kopmeyer, M. R. Proven Success Methods Here's Help: To Get Rid of Your Problems and Fulfill Your Desires. New Delhi: Universal book stall, 1991.

MLA-viite

Kopmeyer, M. R. Proven Success Methods Here's Help: To Get Rid of Your Problems and Fulfill Your Desires. Universal book stall, 1991.