MLA
Boettcher, Judith V. "Design Levels for Distance and Online Learning." Distance Learning and University Effectiveness: Changing Educational Paradigms for Online Learning, edited by Caroline Howard, et al., IGI Global, 2004, pp. 21-54. https://doi.org/10.4018/978-1-59140-178-0.ch002
APA
Boettcher, J. V. (2004). Design Levels for Distance and Online Learning. In C. Howard, K. Schenk, & R. Discenza (Eds.), Distance Learning and University Effectiveness: Changing Educational Paradigms for Online Learning (pp. 21-54). IGI Global. https://doi.org/10.4018/978-1-59140-178-0.ch002
Chicago
Boettcher, Judith V. "Design Levels for Distance and Online Learning." In Distance Learning and University Effectiveness: Changing Educational Paradigms for Online Learning, edited by Caroline Howard, Karen D. Schenk, and Richard Discenza, 21-54. Hershey, PA: IGI Global, 2004. https://doi.org/10.4018/978-1-59140-178-0.ch002
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