Hopper, P. J. (1999). A short course in grammar: A course in the grammar of standard written English. New York: W. W. Norton.
استشهاد بنمط شيكاغوHopper, Paul J. A Short Course in Grammar: A Course in the Grammar of Standard Written English. New York: W. W. Norton, 1999.
MLA استشهادHopper, Paul J. A Short Course in Grammar: A Course in the Grammar of Standard Written English. New York: W. W. Norton, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.