Cita APA (7a ed.)
Murphy, R. (2002). Essential Grammar in Use: A self - study reference and practice book for elementary students of English with answers (2. Edition.). Cambridge University Press.
Cita Chicago Style (17a ed.)
Murphy, Raymond. Essential Grammar in Use: A Self - Study Reference and Practice Book for Elementary Students of English with Answers. 2. Edition. Cambridge: Cambridge University Press, 2002.
Cita MLA (9a ed.)
Murphy, Raymond. Essential Grammar in Use: A Self - Study Reference and Practice Book for Elementary Students of English with Answers. 2. Edition. Cambridge University Press, 2002.
Precaución: Estas citas no son 100% exactas.