Παραπομπή σε μορφή APA (7η εκδ.)

Perraton, H. (1984). Alternative routes to formal education: Distance teaching for school equivalency. Johns Hopkins University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Perraton, Hilary. Alternative Routes to Formal Education: Distance Teaching for School Equivalency. Baltimore: Johns Hopkins University Press, 1984.

Παραπομπή σε μορφή MLA (9th εκδ.)

Perraton, Hilary. Alternative Routes to Formal Education: Distance Teaching for School Equivalency. Johns Hopkins University Press, 1984.