Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Nation, I. S. P. and Gu, Peter Yongqi and Macquarie University. National Centre for English Language Teaching and Research",Focus on vocabulary,,National Center for English Language Teaching and Research,2007,,,9781741382082,,https://cir.nii.ac.jp/crid/1130000794522238592