Pennsylvania State University. Office for Distance Education & American Center for the Study of Distance Education. (1987). The American journal of distance education. Office for Distance Education of the College of Education at the Pennsylvania State University.
Цитирование в стиле Чикаго (17-е изд.)Pennsylvania State University. Office for Distance Education и American Center for the Study of Distance Education. The American Journal of Distance Education. University Park, PA: Office for Distance Education of the College of Education at the Pennsylvania State University, 1987.
Цитирование MLA (9-е изд.)Pennsylvania State University. Office for Distance Education и American Center for the Study of Distance Education. The American Journal of Distance Education. Office for Distance Education of the College of Education at the Pennsylvania State University, 1987.