APA引文

Preston, J., & Edwards, M. L. (2009). Phonological Awareness and Types of Sound Errors in Preschoolers with Speech Sound Disorders.

Citação norma Chicago

Preston, Jonathan, and Mary Louise Edwards. Phonological Awareness and Types of Sound Errors in Preschoolers With Speech Sound Disorders. 2009.

MLA引文

Preston, Jonathan, and Mary Louise Edwards. Phonological Awareness and Types of Sound Errors in Preschoolers With Speech Sound Disorders. 2009.

警告：這些引文格式不一定是100％准確.