APA
Gagarina N., Gülzow I., . (2007). Frequency effects in language acquisition : defining the limits of frequency as an explanatory concept. Berlin: Mouton de Gruyter.
Chicago
Gagarina Natalia, Gülzow Insa, . 2007. Frequency effects in language acquisition : defining the limits of frequency as an explanatory concept. Berlin: Mouton de Gruyter.
Harvard
Gagarina N., Gülzow I., . (2007). Frequency effects in language acquisition : defining the limits of frequency as an explanatory concept. Berlin: Mouton de Gruyter.
MLA
Gagarina Natalia, Gülzow Insa, . Frequency effects in language acquisition : defining the limits of frequency as an explanatory concept. Berlin: Mouton de Gruyter. 2007.