APA

Gibson C. R., . (1971). Foreign trade in the economic development of small nations: the case of Ecuador. New York: Praeger Publishers.

Chicago

Gibson Charles Robert, . 1971. Foreign trade in the economic development of small nations: the case of Ecuador. New York: Praeger Publishers.

Harvard

Gibson C. R., . (1971). Foreign trade in the economic development of small nations: the case of Ecuador. New York: Praeger Publishers.

MLA

Gibson Charles Robert, . Foreign trade in the economic development of small nations: the case of Ecuador. New York: Praeger Publishers. 1971.