National Institutes of Health (U.S.). Office for Protection from Research Risk, Stanley, B., & Sieber, J. E. (1992). Social research on children and adolescents: Ethical issues. Sage Publications.
Dyfyniad Arddull ChicagoNational Institutes of Health (U.S.). Office for Protection from Research Risk, Barbara Stanley, and Joan E. Sieber. Social Research on Children and Adolescents: Ethical Issues. Newbury Park, Calif.: Sage Publications, 1992.
Dyfyniad MLANational Institutes of Health (U.S.). Office for Protection from Research Risk, et al. Social Research on Children and Adolescents: Ethical Issues. Sage Publications, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.