Bolt, B. a. N., Brown, J. S., & Burton, R. R. (1977). Diagnostic Models for Procedural Bugs in Basic Mathematics Skills.
Chicago Style (17th ed.) CitationBolt, Beranek and Newman, John Seely Brown, and Richard R. Burton. Diagnostic Models for Procedural Bugs in Basic Mathematics Skills. 1977.
MLA (9th ed.) CitationBolt, Beranek and Newman, et al. Diagnostic Models for Procedural Bugs in Basic Mathematics Skills. 1977.
Warning: These citations may not always be 100% accurate.