APA

ECWA, . (1975). Demographic and related socio-economic indicators for countries of the ECWA region 1975. Beirut: ECWA.

Chicago

ECWA, . 1975. Demographic and related socio-economic indicators for countries of the ECWA region 1975. Beirut: ECWA.

Harvard

ECWA, . (1975). Demographic and related socio-economic indicators for countries of the ECWA region 1975. Beirut: ECWA.

MLA

ECWA, . Demographic and related socio-economic indicators for countries of the ECWA region 1975. Beirut: ECWA. 1975.