Pryde, P. R. (1969). Natural resource management and conservation in the Soviet Union. University Microfilms International.
芝加哥风格引文Pryde, Philip Rust. Natural Resource Management and Conservation in the Soviet Union. Ann Arbor: University Microfilms International, 1969.
MLA引文Pryde, Philip Rust. Natural Resource Management and Conservation in the Soviet Union. University Microfilms International, 1969.
警告：这些引文格式不一定是100％准确.