@book{186669, author = {Gordon, Ronni L. and Stillman, David M.}, title = {The big red book of Spanish verbs :}, publisher = {McGraw-Hill, }, year = {c2002.}, address = {New York : }, note = {Includes index.}, url = {http://www.loc.gov/catdir/bios/mh042/2001052163.html} }