Sociolinguistic factors in loss and acquisition of phonology 論文集所収 Roy C. Major ·2010-07-06 ·『Cambridge University Press eBooks』 pp. 463-478 doi:10.1017/cbo9780511627781.019
Indicators for pragmatic instruction: Some quantitative tools 論文集所収 Thom Hudson ·2001-10-15 ·『Cambridge University Press eBooks』 pp. 283-300 doi:10.1017/cbo9781139524797.019