UNESCO, W. -. I. (1973). the role of snow and ice in hydrology. UNESCO.
Chicago Style (17th ed.) CitationUNESCO, Who - Iahs. The Role of Snow and Ice in Hydrology. Paris: UNESCO, 1973.
MLA引文UNESCO, Who - Iahs. The Role of Snow and Ice in Hydrology. UNESCO, 1973.
警告:這些引文格式不一定是100%准確.