Gordon, T. (1970). P E T parent effectiveness training: The tested new way to raiseresponsible children. Peter H. Wyden.
Chicago-čujuhus (17. p.)Gordon, Thomas. P E T Parent Effectiveness Training: The Tested New Way to Raiseresponsible Children. Peter H. Wyden, 1970.
MLA-čujuhus (9. p.)Gordon, Thomas. P E T Parent Effectiveness Training: The Tested New Way to Raiseresponsible Children. Peter H. Wyden, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.