McLeod & Crowe, 2018 (https://pubs.asha.org/doi/10.1044/2018_AJSLP-17-0100)

SAC, 2014 (https://sac-oac.ca/sites/default/files/resources/SAC-Milestones-TriFold_EN.pdf)

CDC, 2021 (https://www.cdc.gov/ncbddd/actearly/milestones/index.html)

Children's Therapy & Family Resource Centre, 2011 (http://www.kamloopschildrenstherapy.org/toddler-milestones)

The Miller Assessment for Preschoolers and Pre-Dressing Skills

Developmental Pre-Dressing Checklist 

Rossetti, L. M. (2006). The Rossetti infant-toddler language scale. East Moline, IL: LinguiSystems. 

ASHA (2015)–https://www.asha.org/public/speech/development/chart/