Não informado. (2012). The American Journal of Distance Education. Pennsylvania State University, College of Education, Office for Distance Education.
Chicago Style (17. basım) AtıfNão informado. The American Journal of Distance Education. University Park, Pa: Pennsylvania State University, College of Education, Office for Distance Education, 2012.
MLA (8th ed.) AtıfNão informado. The American Journal of Distance Education. Pennsylvania State University, College of Education, Office for Distance Education, 2012.
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