Cita APA (7a ed.)

Gordon, T. (1970). P.E.T. Parent effectiveness training: The tested new way to raise responsible children. s.l.

Cita Chicago Style (17a ed.)

Gordon, Thomas. P.E.T. Parent Effectiveness Training: The Tested New Way to Raise Responsible Children. New York: s.l, 1970.

Cita MLA (9a ed.)

Gordon, Thomas. P.E.T. Parent Effectiveness Training: The Tested New Way to Raise Responsible Children. s.l, 1970.