Penland P R. (1960). Colon classification. Sarada Ranganathan Endowment.
Chicago Edition CitationPenland P R. Colon Classification. Bangalore: Sarada Ranganathan Endowment, 1960.
MLA Edition CitationPenland P R. Colon Classification. Sarada Ranganathan Endowment, 1960.
Warning: These citations may not always be 100% accurate.