Redman, S., & Gairns, R. (2010). Test your English Vocabulary in use (Pre-intermediate & intermediate). Cambridge University.
استشهاد بنمط شيكاغوRedman, Stuart, و Ruth Gairns. Test Your English Vocabulary in Use (Pre-intermediate & Intermediate). Cambridge University, 2010.
MLA استشهادRedman, Stuart, و Ruth Gairns. Test Your English Vocabulary in Use (Pre-intermediate & Intermediate). Cambridge University, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.