APA-referens (7:e uppl.)
ebrary, Inc, Gülzow, I., & Gagarina, N. (2007). Frequency effects in language acquisition: Defining the limits of frequency as an explanatory concept. Mouton de Gruyter.
Chicago-referens (17:e uppl.)
ebrary, Inc, Insa Gülzow, och Natalia Gagarina. Frequency Effects in Language Acquisition: Defining the Limits of Frequency as an Explanatory Concept. Berlin ; New York: Mouton de Gruyter, 2007.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Frequency Effects in Language Acquisition: Defining the Limits of Frequency as an Explanatory Concept. Mouton de Gruyter, 2007.
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