Snow, Donald M.,  1943- <br/><br/>
National security for a new era / 
Donald M. Snow 
 - 4th ed. 
 - Boston, Mass. :  Longman,  2011 
 - xii, 404 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780205779031 0205779034 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National security--United States<br/>World politics--21st century
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Military policy