Statistical papers / Statistical Office of the United Nations. 1967 : Ghana, India, Philippines, Zambia, Argentina, Malawi, Congo (Brazzaville), Gabon, Central African Republic, Chad, Barbados, Madagascar / ... Department of Economic and Social Affairs. — 1971. — С. [13], 9312―9575, уключаючы вокладку. — (Statistical papers. Series D ; vol. 17, № 1-37) (Statistical papers. Series D, 1971)