Loertscher, D. V., Koechlin, C., & Zwaan, S. (2005). Ban those bird units!: 15 models for teaching and learning in information-rich and technology-rich environments. Salt Lake City, Utah: Hi Willow Research and Publishing.

Loertscher, David V., Carol Koechlin, and Sandi Zwaan. Ban Those Bird Units!: 15 Models for Teaching and Learning in Information-rich and Technology-rich Environments. Salt Lake City, Utah: Hi Willow Research and Publishing, 2005.

Loertscher, David V., Carol Koechlin, and Sandi Zwaan. Ban Those Bird Units!: 15 Models for Teaching and Learning in Information-rich and Technology-rich Environments. Salt Lake City, Utah: Hi Willow Research and Publishing, 2005.