著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Grotjahn, Rüdiger",Der C-Test : Aktuelle Tendenzen = The C-test : current trends,,Peter Lang Edition,2014,Language testing and evaluation,,9783631654309,,https://cir.nii.ac.jp/crid/1130000797026700288