Dyfyniad APA
Popescu, I., & Altmann, G. (2009). Word frequency studies. Mouton de Gruyter.
Dyfyniad Arddull Chicago
Popescu, Ioan-Ioviț, and Gabriel Altmann. Word Frequency Studies. Berlin ; New York: Mouton de Gruyter, 2009.
Dyfyniad MLA
Popescu, Ioan-Ioviț, and Gabriel Altmann. Word Frequency Studies. Mouton de Gruyter, 2009.
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