por Simpson, Alan, 1953- [autor] | Wolf, Douglas J, 1956- [autor] | Tejera, Héctor G [traductor] | Simpson, Alan, 1953-. Abc's of quatro pro 4 for dos.
por Simpson, Alan, 1953- [autor] | Tejera, Héctor G [traductor] | Wolf, Douglas J, 1956- [autor] | Simpson, Alan, 1953-. Abc's of quattro for windows.