Schanek R C. (1979). Practical classification Vol. 1. Colon classification. Metropolitan Book.
Chicago Edition CitationSchanek R C. Practical Classification Vol. 1. Colon Classification. London: Metropolitan Book, 1979.
MLA Edition CitationSchanek R C. Practical Classification Vol. 1. Colon Classification. Metropolitan Book, 1979.
Warning: These citations may not always be 100% accurate.