Frost Percival. (1960). Elementary treatise on curve tracing rev by R J T Bell (5th ed.).
Chicago Edition CitationFrost Percival. Elementary Treatise on Curve Tracing Rev by R J T Bell. 5th ed. 1960.
MLA Edition CitationFrost Percival. Elementary Treatise on Curve Tracing Rev by R J T Bell. 5th ed. 1960.
Warning: These citations may not always be 100% accurate.