APA Citation

De Devitiis, G., O'Malley, K., & Mariani, L. (1989). English grammar for communication. Essex: Longman.

Chicago Style Citation

De Devitiis, G., K. O'Malley, and L. Mariani. English Grammar for Communication. Essex: Longman, 1989.

MLA Citation

De Devitiis, G., K. O'Malley, and L. Mariani. English Grammar for Communication. Essex: Longman, 1989.

Warning: These citations may not always be 100% accurate.