Dyfyniad APA
Oller, J. W., Oller, S. D., & Badon, L. C. (2014). Milestones: Normal speech and language development across the life span (Second edition.). Plural Publishing, Inc..
Dyfyniad Arddull Chicago
Oller, John W., Stephen D. Oller, and Linda C. Badon. Milestones: Normal Speech and Language Development Across the Life Span. Second edition. San Diego: Plural Publishing, Inc., 2014.
Dyfyniad MLA
Oller, John W., et al. Milestones: Normal Speech and Language Development Across the Life Span. Second edition. Plural Publishing, Inc., 2014.
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