Cita APA (7th ed.)

Wren & Martin. (2017). High school English Grammar and Composition (Wren & Martin) (1936.). Blackie ELT Books.

Cita Chicago (17th ed.)

Wren & Martin. High School English Grammar and Composition (Wren & Martin). 1936. Blackie ELT Books, 2017.

Cita MLA (9th ed.)

Wren & Martin. High School English Grammar and Composition (Wren & Martin). 1936. Blackie ELT Books, 2017.

Atenció: Aquestes cites poden no estar 100% correctes.