(1990). Collins cobuild english grammar. London: Collins Pub.
Trích dẫn kiểu ChicagoCollins Cobuild English Grammar. London: Collins Pub, 1990.
MLA引文Collins Cobuild English Grammar. London: Collins Pub, 1990.
警告:這些引文格式不一定是100%准確.
(1990). Collins cobuild english grammar. London: Collins Pub.
Trích dẫn kiểu ChicagoCollins Cobuild English Grammar. London: Collins Pub, 1990.
MLA引文Collins Cobuild English Grammar. London: Collins Pub, 1990.