Sinclair, J. (1992). Collins Cobuild english learner's dictionary: Helping learners with real english (reprint.). London: Collins.
استشهاد بنمط شيكاغوSinclair, John. Collins Cobuild English Learner's Dictionary: Helping Learners With Real English. reprint. London: Collins, 1992.
MLA استشهادSinclair, John. Collins Cobuild English Learner's Dictionary: Helping Learners With Real English. reprint. London: Collins, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.