Gaya APA

Thomson, A., Martinet, A. (1980). A Practical English Grammar : Exercises 1 (2). oxford: ELBS (The English Language Book Society).

Gaya MLA

Thomson, A.J.., Martinet, A.V.. "A Practical English Grammar : Exercises 1". 2 oxford: ELBS (The English Language Book Society), 1980. Text.