(英)戴比·柯福特著. (2017). Playing hopscotch. 长江少年儿童出版社.
Chicago Style aipamena(英)戴比·柯福特著. Playing Hopscotch. 长江少年儿童出版社, 2017.
MLA aipamena(英)戴比·柯福特著. Playing Hopscotch. 长江少年儿童出版社, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena