APA-referens (7:e uppl.)

AVICHAL PUBLISHING COMPANY. (2014). GRADED ENGLISH GRAMMAR AND COMPOSITION- 4. AVICHAL PUBLISHING COMPANY.

Chicago-referens (17:e uppl.)

AVICHAL PUBLISHING COMPANY. GRADED ENGLISH GRAMMAR AND COMPOSITION- 4. AVICHAL PUBLISHING COMPANY, 2014.

MLA-referens (9:e uppl.)

AVICHAL PUBLISHING COMPANY. GRADED ENGLISH GRAMMAR AND COMPOSITION- 4. AVICHAL PUBLISHING COMPANY, 2014.

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