Παραπομπή σε μορφή APA (7η εκδ.)
Varley, N. (2015). Optionality and overgeneralisation patterns in second language acquisition: Where has the expletive ensconced itself? Peter Lang Edition.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Varley, Nadia. Optionality and Overgeneralisation Patterns in Second Language Acquisition: Where Has the Expletive Ensconced Itself? Frankfurt am Main, [Germany]: Peter Lang Edition, 2015.
Παραπομπή σε μορφή MLA (9th εκδ.)
Varley, Nadia. Optionality and Overgeneralisation Patterns in Second Language Acquisition: Where Has the Expletive Ensconced Itself? Peter Lang Edition, 2015.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.