@book{226986,
	author = {Singleton, D. M. and Ryan, Lisa, and ProQuest (Firm)},
	title = {Language acquisition},
	publisher = {Multilingual Matters,},
	year = {c2004.},
	series = {Second language acquisition ;},
	address = {Clevedon ;},
	edition = {2nd ed.},
	url = {https://ebookcentral.proquest.com/lib/kuct-ebooks/detail.action?docID=214067}
}