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 : Beiträge aus der aktuellen Forschung = The C-test : contributions from current research,,Peter Lang,2010,Language testing and evaluation,,9783631604380,,https://cir.nii.ac.jp/crid/1130282271031592832