Heaps, H. S. (1978). Information retrieval, computational and theoretical aspects. Academic Press.
芝加哥风格引文Heaps, H. S. Information Retrieval, Computational and Theoretical Aspects. New York: Academic Press, 1978.
MLA引文Heaps, H. S. Information Retrieval, Computational and Theoretical Aspects. Academic Press, 1978.
警告：这些引文格式不一定是100％准确.