Brougthon, G. The Penguin English Grammar A - Z for advanced student's exercises. London: Penguin books, 1990 136 p. 0-14-080984-8.
Brougthon, G. The Penguin English Grammar A - Z for advanced student's exercises. London: Penguin books, 1990 136 p. 0-14-080984-8.
Brougthon, G. (1990) The Penguin English Grammar A - Z for advanced student's exercises, London: Penguin books 136 p. 0-14-080984-8.
Brougthon, G. (1990). The Penguin English Grammar A - Z for advanced student's exercises. With Answers. London: Penguin books, 136 p.
Brougthon G. The Penguin English Grammar A - Z for advanced student's exercises: With Answers. London: Penguin books; 1990. p. 136 p. ISBN: 0-14-080984-8.