MLA
Uden, Lorna,et al. "Activity Theory for Studying Technology Integration in Education." Encyclopedia of Information Technology Curriculum Integration, edited by Lawrence A. Tomei, IGI Global, 2008, pp. 14-21. http://doi:10.4018/978-1-59904-881-9.ch003
APA
Uden, L., Richards, G., & Gaševic, D. (2008). Activity Theory for Studying Technology Integration in Education. In Tomei, L. A. (Ed.), Encyclopedia of Information Technology Curriculum Integration (pp. 14-21). IGI Global. http://doi:10.4018/978-1-59904-881-9.ch003
Chicago
Uden, Lorna and Griff Richards, and Dragan Gaševic. "Activity Theory for Studying Technology Integration in Education." In Encyclopedia of Information Technology Curriculum Integration. edited by Lawrence A. Tomei, 14-21. Hershey, PA: IGI Global, 2008. http://doi:10.4018/978-1-59904-881-9.ch003
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