Goldschneider, G., & Elffers, J. (1999). The secret language of destiny: A personology guide to finding your life purpose. Viking Studio.
Cita Chicago Style (17a ed.)Goldschneider, Gary, y Joost Elffers. The Secret Language of Destiny: A Personology Guide to Finding Your Life Purpose. New York: Viking Studio, 1999.
Cita MLA (9a ed.)Goldschneider, Gary, y Joost Elffers. The Secret Language of Destiny: A Personology Guide to Finding Your Life Purpose. Viking Studio, 1999.
Precaución: Estas citas no son 100% exactas.