俞敏洪编著. (2018). 考研英语词汇词根+联想记忆法：同步学练测：乱序版. 海豚出版社.
Chicago Style (17th ed.) Citation俞敏洪编著. 考研英语词汇词根+联想记忆法：同步学练测：乱序版. 海豚出版社, 2018.
MLA (8th ed.) Citation俞敏洪编著. 考研英语词汇词根+联想记忆法：同步学练测：乱序版. 海豚出版社, 2018.
Warning: These citations may not always be 100% accurate.