Bretz, Mary Lee.
Pasajes. Literatura /
Mary Lee Bretz, Trisha Dvorak, Carl Kirschner ; contributing writers : C.M. Nieto, J.L. Sur̀ez, E. Yepes 
. - 4 ed. 
. - Boston : Dubuque : Madison : McGraw Hill,  1997 
. - xxii, 279 p.  ill., tab., maps  26 cm. 
<br/><label>  ISBN: </label>0-07-007698-7