APA-čujuhus (7. p.)
Wren, P., Martin, H., & Rao, N. P. (2006). High school English grammar and composition. S.Chand.
Chicago-čujuhus (17. p.)
Wren, P.C, H. Martin, juo N.D.V. Prasada Rao. High School English Grammar and Composition. New Delhi: S.Chand, 2006.
MLA-čujuhus (9. p.)
Wren, P.C, et al. High School English Grammar and Composition. S.Chand, 2006.
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