Ranganathan, S. R. (2006). Colon classification: Basic classification (6th ed.). Sarada Ranganathan Endowment.
芝加哥风格引文Ranganathan, S. R. Colon Classification: Basic Classification. 6th ed. Bangalore: Sarada Ranganathan Endowment, 2006.
MLA引文Ranganathan, S. R. Colon Classification: Basic Classification. 6th ed. Sarada Ranganathan Endowment, 2006.
警告：这些引文格式不一定是100％准确.