McGill, Ryan J.; Styck, Kara M.; Palomares, Ronald S.; Hass, Michael R. (August 2016). "Critical Issues in Specific Learning Disability Identification: What We Need to Know About the PSW Model". Learning Disability Quarterly. 39 (3): 159–170. doi:10.1177/0731948715618504. ISSN0731-9487. S2CID148522903.
McGill, Ryan J.; Styck, Kara M.; Palomares, Ronald S.; Hass, Michael R. (August 2016). "Critical Issues in Specific Learning Disability Identification: What We Need to Know About the PSW Model". Learning Disability Quarterly. 39 (3): 159–170. doi:10.1177/0731948715618504. ISSN0731-9487. S2CID148522903.
McGill, Ryan J.; Styck, Kara M.; Palomares, Ronald S.; Hass, Michael R. (August 2016). "Critical Issues in Specific Learning Disability Identification: What We Need to Know About the PSW Model". Learning Disability Quarterly. 39 (3): 159–170. doi:10.1177/0731948715618504. ISSN0731-9487. S2CID148522903.