Text ( visual ) : unmediated The handbook of language emergence / edited by Brian MacWhinney and William O'Grady. -- : hardback. -- Chichester : Wiley Blackwell , 2015. -- xii, 637 p. : ill. ; 26 cm. -- (Blackwell handbooks in linguistics). -- Includes bibliographical references and index. -- ISBN 9781118301753 ; (BB18074165) ; https://ci.nii.ac.jp/ncid/BB18074165 Author Heading(s): MacWhinney, Brian ; O'Grady, William. -- Classification(s): LCC : P116 ; DC23 : 400. -- Subject Heading(s): LCSH : Language and languages -- Origin ; LCSH : Linguistics