1. Childhood sex-typed behavior and sexual orientation: a conceptual analysis and quantitative review;Bailey;Developmental Psychology,1995
2. A retrospective study of childhood gender-atypical behavior in Samoan fa’afafine;Bartlett;Archives of Sexual Behavior,1996
3. An acoustic analysis of frontal misarticulation of /s/ in children;Baum;Journal of Phonetics,1990
4. Vocabulary growth and developmental expansion of types of phonological knowledge;Beckman,2007
5. Boersma, P., & Weenink, D. (2005). Praat: doing phonetics by computer (Version praat 4.3.07). Retrieved from 〈http://www.praat.org/〉.