Wonnacott, Ronald J. The economics of overlapping free trade areas and the Mexican challenge / Ronald J. Wonnacott. - Toronto, Ont., ; Washington, D.C. : Canadian-American Committee, [1991] - xviii, 92 p. : ill. ; 23 cm. "CAC 60"--P. 4, cover. "NPR #254"--P. 4, cover. ISBN: 0888062842 (alk. paper) LCCN: 92129931 LC Class. No.: HF1713 .W66 1991 / Dewey Class. No.: 382/.71/097