Liebert, R. M., & Poulos Wicks Rita. Developmental psychology. Prentice-Hall.
Citación estilo ChicagoLiebert, Robert M., and Poulos Wicks Rita. Developmental Psychology. New Jersey: Prentice-Hall.
Cita MLALiebert, Robert M., and Poulos Wicks Rita. Developmental Psychology. Prentice-Hall.
Warning: These citations may not always be 100% accurate.