Hyerle, D., Alper, L., & Curtis, S. (2004). Student successes with thinking maps: School-based research, results, and models for achievement using visual tools. Corwin Press.

Hyerle, David, Larry Alper, and Sarah Curtis. Student Successes with Thinking Maps: School-based Research, Results, and Models for Achievement Using Visual Tools. Thousand Oaks, Calif.: Corwin Press, 2004.

Hyerle, David, et al. Student Successes with Thinking Maps: School-based Research, Results, and Models for Achievement Using Visual Tools. Corwin Press, 2004.