APA-viite (7. p.)

Bishop, D. (2005). DeFries-Fulker analysis of twin data with skewed distributions: Cautions and recommendations from a study of children's use of verb inflections. Springer Science and Business Media, LLC.

Chicago-viite (17. p.)

Bishop, D. DeFries-Fulker Analysis of Twin Data with Skewed Distributions: Cautions and Recommendations from a Study of Children's Use of Verb Inflections. Springer Science and Business Media, LLC, 2005.

MLA-viite (9. p.)

Bishop, D. DeFries-Fulker Analysis of Twin Data with Skewed Distributions: Cautions and Recommendations from a Study of Children's Use of Verb Inflections. Springer Science and Business Media, LLC, 2005.

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