Hartley, F. (1980). Dare to be different: Dealing with peer pressure. Fleming H.Revell Co..
Cita Chicago (17th ed.)Hartley, Fred. Dare to Be Different: Dealing with Peer Pressure. Old Tappan: Fleming H.Revell Co., 1980.
Cita MLA (9th ed.)Hartley, Fred. Dare to Be Different: Dealing with Peer Pressure. Fleming H.Revell Co., 1980.
Atenció: Aquestes cites poden no estar 100% correctes.