Robert M. Liebert, R. W. N. Developmental psychology. Prentice.
Citación estilo ChicagoRobert M. Liebert, Rita Wicks Nelson. Developmental Psychology. Prentice.
Cita MLARobert M. Liebert, Rita Wicks Nelson. Developmental Psychology. Prentice.
Warning: These citations may not always be 100% accurate.