APA
Murphy R., . (2010). Essential English grammar: a self study reference and practice book for elementary students of English : with answers. New Delhi: Cambridge University Press.
Chicago
Murphy Raymond, . 2010. Essential English grammar: a self study reference and practice book for elementary students of English : with answers. New Delhi: Cambridge University Press.
Harvard
Murphy R., . (2010). Essential English grammar: a self study reference and practice book for elementary students of English : with answers. New Delhi: Cambridge University Press.
MLA
Murphy Raymond, . Essential English grammar: a self study reference and practice book for elementary students of English : with answers. New Delhi: Cambridge University Press. 2010.