NOVAK, Joseph D., CAÑAS, Alberto J. The theory underlying concept maps and how to construct and use them [online]. Pensacola (FL): Florida Institute for Human and Machine Cognition, 2008 [cit. 2013-07-16]. 36 s. (PDF). Technical report IHMC CmapTools 2006-01 Rev 01-2008. Dostupné volně z: http://cmap.ihmc.us/publications/ResearchPapers/TheoryCmaps/TheoryUnderl... nebo http://cmap.ihmc.us/Publications/ResearchPapers/TheoryUnderlyingConceptM....