Ranganathan S R & Neelameghan A. (1964). Book Science: Depth classification.
Chicago Edition CitationRanganathan S R and Neelameghan A. Book Science: Depth Classification. 1964.
MLA Edition CitationRanganathan S R and Neelameghan A. Book Science: Depth Classification. 1964.
Warning: These citations may not always be 100% accurate.