J.H.U & Perraton, H. (1982). Alternative Routes To Formal Education: :Distance Teaching For School Equivalency (1. Edisyon.). Johns Hopkins University.
Chicago Style (17. basım) AtıfJ.H.U ve Hilary Perraton. Alternative Routes To Formal Education: :Distance Teaching For School Equivalency. 1. Edisyon. Baltimore: Johns Hopkins University, 1982.
MLA (9th ed.) AtıfJ.H.U ve Hilary Perraton. Alternative Routes To Formal Education: :Distance Teaching For School Equivalency. 1. Edisyon. Johns Hopkins University, 1982.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..