Cita APA (7a ed.)
Naylor, H., & Murphy, R. (1996). Essential english grammar: Supplementary exercises; with answers. CUP.
Cita Chicago Style (17a ed.)
Naylor, Helen, y Raymond Murphy. Essential English Grammar: Supplementary Exercises; with Answers. Cambridge: CUP, 1996.
Cita MLA (9a ed.)
Naylor, Helen, y Raymond Murphy. Essential English Grammar: Supplementary Exercises; with Answers. CUP, 1996.
Precaución: Estas citas no son 100% exactas.