Frommer's budget travel guide.
Greenberg, Arnold.
Greenberg, Harriet.
Brushaber-Bittencourt, Susan.
Frommer, Arthur.
New York : Prentice Hall Press,
c1991-
"A Frommer book."
Vols. for 1991-1992-  by Arnold and Harriet Greenberg with Susan Brushaber-Bittencourt.
Frommer's South America on $ ... a day