Kolln, Martha. Understanding English grammar [Book] / Martha Kolln, Robert Funk. - 7th ed. - New York : Pearson Education in South Aisa, c2009. - 459 p. ; 24 cm. Includes index. ISBN: 9788131723654 0321316835 Subjects--Topical Terms: English language--Grammar. Dewey Class. No.: 428.2