Cita APA (7th ed.)

TURTON NIGEL D. (2008). ABC OF COMMON GRAMMATICAL ERRORS.

Cita Chicago (17th ed.)

TURTON NIGEL D. ABC OF COMMON GRAMMATICAL ERRORS. CHENNAI, 2008.

Cita MLA (9th ed.)

TURTON NIGEL D. ABC OF COMMON GRAMMATICAL ERRORS. 2008.