Gibson, Charles Robert Foreign trade in the economic development of small nations the case of Ecuador [by] Charles R. Gibsdit - New York Praeger Publishers c1971. - xxii, 327 p. Bibliography : p. 317-327. LCCN: 70119523 LC Class. No.: HF3436.5 / .G53 1971 Dewey Class. No.: 330.9866/07