@book{1056, author = {Caldwell, Ian and Thomason, Dustin and Colares, Maria Eduarda}, title = {A regra de quatro}, publisher = {Presença}, year = {2004}, series = {Grandes narrativas}, address = {Barcarena}, edition = {3ª ed.}, url = {locateMedia.asp?cod=20051121161620&ext=jpg} }