United Nations. Economic Commission for Western Asia. (1980). The population situation in the ECWA region: Lebanon. ECWA.
芝加哥风格引文United Nations. Economic Commission for Western Asia. The Population Situation in the ECWA Region: Lebanon. Beirut: ECWA, 1980.
MLA引文United Nations. Economic Commission for Western Asia. The Population Situation in the ECWA Region: Lebanon. ECWA, 1980.
警告：这些引文格式不一定是100％准确.