Gaya APA

THOMSON, A., MARTINET, A. (1969). A PRACTICAL ENGLISH GRAMMAR : SECOND EDITION (ED. 2). NEW YORK: .

Gaya MLA

THOMSON, A.J.., MARTINET, A.V.. "A PRACTICAL ENGLISH GRAMMAR : SECOND EDITION". ED. 2 NEW YORK: , 1969. Prodi S1 Sastra Inggris.