Gaya APA

MARTINET, A, T, &, A. (1975). A Practical English Grammar Combined Exercises volume i . OXFORD UNIVERSITY: ENGLISH LANGUAGE BOOK SOCIETY.

Gaya MLA

MARTINET, A.J., THOMSON, &, A.V.. "A Practical English Grammar Combined Exercises volume i". OXFORD UNIVERSITY: ENGLISH LANGUAGE BOOK SOCIETY, 1975. Text.