Παραπομπή APA

Turton, N. (1995). ABC of common grammatical errors. Mac millan.

Παραπομπή Chicago Style

Turton, Nigel. ABC of Common Grammatical Errors. Delhi: Mac millan, 1995.

Παραπομπή MLA

Turton, Nigel. ABC of Common Grammatical Errors. Mac millan, 1995.