Center for the Study of Youth Policy, Philadelphia, Pa., & Center for the Study of Youth Policy. (1994). Working paper series / Center for the Study of Youth Policy. Center for the Study of Youth Policy, the University of Pennsylvania, School of Social Work.
Cita Chicago Style (17a ed.)Center for the Study of Youth Policy, Philadelphia, Pa., y Center for the Study of Youth Policy. Working Paper Series / Center for the Study of Youth Policy. Philadelphia, Pa: Center for the Study of Youth Policy, the University of Pennsylvania, School of Social Work, 1994.
Cita MLA (8a ed.)Center for the Study of Youth Policy, Philadelphia, Pa., y Center for the Study of Youth Policy. Working Paper Series / Center for the Study of Youth Policy. Center for the Study of Youth Policy, the University of Pennsylvania, School of Social Work, 1994.