Não informado. (2000). University of Iowa studies in psychology. University of Iowa.
Cita Chicago Style (17a ed.)Não informado. University of Iowa Studies in Psychology. Iowa City, Iowa: University of Iowa, 2000.
Cita MLA (8a ed.)Não informado. University of Iowa Studies in Psychology. University of Iowa, 2000.
Precaución: Estas citas no son 100% exactas.