978-607-32-4333-9
DANIELS, JOHN D., RADEBAUGH, L.H.
978-607-32-4439-8
YOUNG, HUGH D., SEARS, FRANCIS W., ZEMANSKY, MARK W., AUTORES VARIOS
978-607-32-4378-0
FERNANDEZ GARCIA, TOMAS, PONCE DE LEÓN ROMERO, LAURA
978-607-32-3745-1
LAY, DAVID C., LAY, STEVEN R., MCDONALD, JUDI J.
978-84-8322-979-8
BRUICE, PAULA, YURKANIS BRUICE, PAULA
