Langenes, Bill books & textbook
Using Q and A 4
Ewing, David Paul Langenes, Bill Beinhorn, George R.
Que Pub /1991-05-01 Paperback / 1176 Pages
isbn-10: 0880226439 / isbn-13: 9780880226431
Using Q&A
Ewing, David Paul Langenes, Bill
Que Pub /1988T Paperback / 510 Pages
isbn-10: 0880223820 / isbn-13: 9780880223829