Ur, P. (1992). Teaching listening comprehension. NY.
Trích dẫn kiểu ChicagoUr, Penny. Teaching Listening Comprehension. NY, 1992.
MLA引文Ur, Penny. Teaching Listening Comprehension. NY, 1992.
警告：这些引文格式不一定是100％准确.
APA引文
Ur, P. (1992). Teaching listening comprehension. NY.
Trích dẫn kiểu ChicagoUr, Penny. Teaching Listening Comprehension. NY, 1992.
MLA引文Ur, Penny. Teaching Listening Comprehension. NY, 1992.