Bob Obee. (1999). Cambridge copy collection: The grammar activity book: A resource book of grammar games for young students. Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形Bob Obee. Cambridge Copy Collection: The Grammar Activity Book: A Resource Book of Grammar Games for Young Students. Cambridge, UK: Cambridge Univ. Press, 1999.
MLA引用形式Bob Obee. Cambridge Copy Collection: The Grammar Activity Book: A Resource Book of Grammar Games for Young Students. Cambridge, UK: Cambridge Univ. Press, 1999.
警告: この引用は必ずしも正確ではありません.