Zahran, M. M. (1973). Challenges of the urban environment. Beirut Arab University.
芝加哥风格引文Zahran, Mohsen Moharram. Challenges of the Urban Environment. Beirut: Beirut Arab University, 1973.
MLA引文Zahran, Mohsen Moharram. Challenges of the Urban Environment. Beirut Arab University, 1973.
警告：这些引文格式不一定是100％准确.