APA

Thomson A. J. M. A. V., . (1980). Practical English grammar: Exercises 1. : ELBS, London.

Chicago

Thomson A J Martinet A V, . 1980. Practical English grammar: Exercises 1. : ELBS, London.

Harvard

Thomson A. J. M. A. V., . (1980). Practical English grammar: Exercises 1. : ELBS, London.

MLA

Thomson A J Martinet A V, . Practical English grammar: Exercises 1. : ELBS, London. 1980.