Wren & Martin. (2017). High school English Grammar and Composition (Wren & Martin) (1936.). Blackie ELT Books.
Čikaški stil citiranja (17. izdanje)Wren & Martin. High School English Grammar and Composition (Wren & Martin). 1936. Blackie ELT Books, 2017.
MLA način citiranja (9. izdanje)Wren & Martin. High School English Grammar and Composition (Wren & Martin). 1936. Blackie ELT Books, 2017.
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