Oller, J. W. (2015). Milestones: Normal speech and language development across the life span (2nd ed.). Plural Publishing, Inc.
Chicago-Zitierstil (17. Ausg.)Oller, John W. Milestones: Normal Speech and Language Development Across the Life Span. 2nd ed. San Diego: Plural Publishing, Inc, 2015.
MLA-Zitierstil (9. Ausg.)Oller, John W. Milestones: Normal Speech and Language Development Across the Life Span. 2nd ed. Plural Publishing, Inc, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.