Text ( visual ) : unmediated Invitation to linguistics / Richard Hudson. -- Oxford, OX : B. Blackwell , 1985. -- x, 182 p. : ill. ; 20 cm. -- (Invitation series). -- Bibliography: p. 167-169 ; Includes index. -- ISBN 0631141766 ; (BA01249766) ; https://ci.nii.ac.jp/ncid/BA01249766 Author Heading(s): Hudson, R. A. (Richard Anthony). -- Classification(s): LCC : P121 ; DC19 : 410. -- Subject Heading(s): LCSH : Linguistics