APA (7e ed.) Bronvermelding
Singleton, D. M., & Ryan, L. (2004). Language acquisition: The age factor (2nd ed.). Multilingual Matters.
Chicago (17e ed.) Bronvermelding
Singleton, D. M., en Lisa Ryan. Language Acquisition: The Age Factor. 2nd ed. Clevedon ; Buffalo: Multilingual Matters, 2004.
MLA (9e ed.) Bronvermelding
Singleton, D. M., en Lisa Ryan. Language Acquisition: The Age Factor. 2nd ed. Multilingual Matters, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.