APA-referens (7:e uppl.)
ebrary, Inc, Garc?ia Mayo, M. d. P., & Garcia Lecumberri, M. L. (2003). Age and the acquisition of English as a foreign language. Multilingual Matters.
Chicago-referens (17:e uppl.)
ebrary, Inc, Mar?ia del Pilar Garc?ia Mayo, och M. Luisa Garcia Lecumberri. Age and the Acquisition of English as a Foreign Language. Clevedon ; Buffalo: Multilingual Matters, 2003.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Age and the Acquisition of English as a Foreign Language. Multilingual Matters, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.