por Norton, Robert L [autor] | Enríquez Brito, Antonio P [traductor].
por Young, Hugh D [autor] | Freedman, Roger A [autor] | Ford, A. Lewis (Albert Lewis) [colaborador] | Enríquez Brito, Antonio P [traductor] | Sears, Francis Weston, 1898-1975. University physics | Zamansky, Mark Waldo, 1900-. University physics.
por Myszka, David H [autor] | Enríquez Brito, Antonio P [traductor].
por Gitman, Lawrence J [autor] | Gitman, Lawrence J. Principles of managerial finance : brief | Zutter, Chad J [autor] | Enríquez Brito, Antonio P [traductor].