Wren & Martin. (2017). High school english grammer and composition. Blackie ELT Books.
Citazione stile Chigago Style (17a edizione)Wren & Martin. High School English Grammer and Composition. Delhi: Blackie ELT Books, 2017.
Citatione MLA (9a ed.)Wren & Martin. High School English Grammer and Composition. Blackie ELT Books, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.