Tohutoro APA (7th ed.)

ebrary, Inc, Granena, G., & Long, M. H. (2013). Sensitive periods, language aptitude, and ultimate L2 attainment. John Benjamins Publishing Company.

Tohutoru Kātū Chicago (17th ed.)

ebrary, Inc, Gisela Granena, me Michael H. Long. Sensitive Periods, Language Aptitude, and Ultimate L2 Attainment. Amsterdam: John Benjamins Publishing Company, 2013.

Tohutoro MLA (9th ed.)

ebrary, Inc, et al. Sensitive Periods, Language Aptitude, and Ultimate L2 Attainment. John Benjamins Publishing Company, 2013.