APA

(1977). Trade and developing countries. London: C.Helm in association with the Overseas Development Intitute.

Chicago

1977. Trade and developing countries. London: C.Helm in association with the Overseas Development Intitute.

Harvard

(1977). Trade and developing countries. London: C.Helm in association with the Overseas Development Intitute.

MLA

Trade and developing countries. London: C.Helm in association with the Overseas Development Intitute. 1977.