A guide to the elements

 Stwertka, Albert.;

New York : : Oxford University Press, , 2002

GMAT premier 2014

 Graduate Record Examination;

New York : Kaplan Publishing , 2013

GMAT premier 2011

 Kaplan;

New York : Simon & Schuster , 2011

The elements of style

 Strunk Jr., William; White, E.B.;

New York : Longman , 2000

The official guide for GMAT review / preapared for the graduate management admission council by Educational Testing Service

 Graduate Management Admission Council;

New York : ETS , 2002

Michael Vey: the prisoner of cell 25

 Evans, Richard Paul.;

New York : : Mercury Ink/Simon Pulse, , 2011

Manual of style and usage

 Siegal, Allan M.; Connolly, William G.;

New York : Three Rivers Press , 1999

Words that work: it's not what you say, it's what people hear

 Luntz, Frank I.;

New York : Hyperion, , 2007

Writing research papers :a complete guide

 Lester, James D.; Lester Jr., James D.;

New York : : Longman, , 2009

Schaum’s quick guide to great business writing: how to write letters, papers, memos, and job applicaiton

 FitzGerald, Suzanne Sparks;

New York : McGraw-Hill , 1998

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