Cita APA (7a ed.)

THOMSON, A. (1993). A PRACTICAL ENGLISH GRAMMERS. NEIL O BRIEN.

Cita Chicago Style (17a ed.)

THOMSON, A. A PRACTICAL ENGLISH GRAMMERS. NEW DELHI: NEIL O BRIEN, 1993.

Cita MLA (9a ed.)

THOMSON, A. A PRACTICAL ENGLISH GRAMMERS. NEIL O BRIEN, 1993.