By NILSON, ARTHUR H..
MEXICO | México LIMUSA 1990 .
604 9681813049

By MCCORMAC, JACK.
MEXICO | México ALFAOMEGA 1991 .
557 9686223282

By DERUCHER, KENNETH N..
Estados Unidos | UPPER SADDLE RIVER PRENTICE HALL 1998 .
470 0139050434

By RAE, JOHN B.
Estados Unidos | NEW YORK MCGRAW-HILL BOOK COMPANY 1982 .
331 , DONADO POR GUILLERMO AROSEMENA 0070511128