Não informado. (2012). The American Journal of Distance Education. Pennsylvania State University, College of Education, Office for Distance Education.
Cita Chicago Style (17a ed.)Não informado. The American Journal of Distance Education. University Park, Pa: Pennsylvania State University, College of Education, Office for Distance Education, 2012.
Cita MLA (8a ed.)Não informado. The American Journal of Distance Education. Pennsylvania State University, College of Education, Office for Distance Education, 2012.
Precaución: Estas citas no son 100% exactas.