MLA
Barrera, Luis. "Distance Education in South America." Encyclopedia of Distance Learning, edited by Caroline Howard, et al., IGI Global, 2005, pp. 628-634. https://doi.org/10.4018/978-1-59140-555-9.ch090
APA
Barrera, L. (2005). Distance Education in South America. In C. Howard, J. Boettcher, L. Justice, K. Schenk, P. Rogers, & G. Berg (Eds.), Encyclopedia of Distance Learning (pp. 628-634). IGI Global Scientific Publishing. https://doi.org/10.4018/978-1-59140-555-9.ch090
Chicago
Barrera, Luis. "Distance Education in South America." In Encyclopedia of Distance Learning, edited by Caroline Howard, et al., 628-634. Hershey, PA: IGI Global, 2005. https://doi.org/10.4018/978-1-59140-555-9.ch090
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