APA-ийн эшлэл(7 дахь хэвлэлт)
Świątek, A. (2014). Order of the Acquisition of the English Article System by Polish Learners in Different Proficiency Groups. Cambridge Scholars Publishing.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Świątek, Artur. Order of the Acquisition of the English Article System by Polish Learners in Different Proficiency Groups. Newcastle upon Tyne, [United Kingdom]: Cambridge Scholars Publishing, 2014.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Świątek, Artur. Order of the Acquisition of the English Article System by Polish Learners in Different Proficiency Groups. Cambridge Scholars Publishing, 2014.
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