Epley, T. M. (1985). Futuristics: A handbook for teachers of the gifted/talented. Ventura County Superintendent of Schools Office.
Cita Chicago (17th ed.)Epley, Thelma M. Futuristics: A Handbook for Teachers of the Gifted/talented. Ventura, Calif: Ventura County Superintendent of Schools Office, 1985.
Cita MLA (9th ed.)Epley, Thelma M. Futuristics: A Handbook for Teachers of the Gifted/talented. Ventura County Superintendent of Schools Office, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.