Richards, I. A., & Gibson, C. (1945). Learning basic english: A practical handbook for english speaking people. New York: Norton W.W. & Company.
استشهاد بنمط شيكاغوRichards, I. A., و Christine Gibson. Learning Basic English: A Practical Handbook for English Speaking People. New York: Norton W.W. & Company, 1945.
MLA استشهادRichards, I. A., و Christine Gibson. Learning Basic English: A Practical Handbook for English Speaking People. New York: Norton W.W. & Company, 1945.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.