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.