MLA handbook for writers of research papers /  
Joseph Gibaldi 
 - 6th ed. 
 -  The Modern Language Assocition of America,  2003 
 -  361 p. ;    23 cm. 
<br/><br/><label>ISBN: </label>9,78E+12 
<br/><br/><label>Subjects--Index Terms: </label><br/>INVESTIGACION CIENTIFICA-INFORMES 
<br/><br/><label>LC Class. No.: </label> / G 37 
<br/><br/><label>Universal Decimal Class. No.: </label>001.81