APA-čujuhus (7. p.)

Wren P.C. High School English Grammar & Composition. S. Chand & Company Pvt Ltd.

Chicago-čujuhus (17. p.)

Wren P.C. High School English Grammar & Composition. New Delhi New Delhi: S. Chand & Company Pvt Ltd.

MLA-čujuhus (9. p.)

Wren P.C. High School English Grammar & Composition. S. Chand & Company Pvt Ltd.

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