Barbara Sinclaire. (1995). Activate your english: A short course for adults (Pre-intermediate coursebook). Cambridge, UK: Cambridge Univ. Press.
استشهاد بنمط شيكاغوBarbara Sinclaire. Activate Your English: A Short Course for Adults (Pre-intermediate Coursebook). Cambridge, UK: Cambridge Univ. Press, 1995.
MLA استشهادBarbara Sinclaire. Activate Your English: A Short Course for Adults (Pre-intermediate Coursebook). Cambridge, UK: Cambridge Univ. Press, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.