APA-viite (7. p.)

ebrary, Inc, & Nikolov, M. (2009). The age factor and early language learning. Mouton de Gruyter.

Chicago-viite (17. p.)

ebrary, Inc, ja Marianne Nikolov. The Age Factor and Early Language Learning. Berlin ; New York: Mouton de Gruyter, 2009.

MLA-viite (9. p.)

ebrary, Inc, ja Marianne Nikolov. The Age Factor and Early Language Learning. Mouton de Gruyter, 2009.