Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Adrian P. Simpson,Phonetic differences between male and female speech,Language and Linguistics Compass,1749-818X,Wiley,2009-03,3,2,621-640,https://cir.nii.ac.jp/crid/1360580237626948736,https://doi.org/10.1111/j.1749-818x.2009.00125.x