Perraton, H. D. (1982). Alternative routes to formal education: Distance teaching for school equivalency. Published for the World Bank [by] Johns Hopkins University Press.
Cita Chicago (17th ed.)Perraton, H. D. Alternative Routes to Formal Education: Distance Teaching for School Equivalency. Baltimore: Published for the World Bank [by] Johns Hopkins University Press, 1982.
Cita MLA (9th ed.)Perraton, H. D. Alternative Routes to Formal Education: Distance Teaching for School Equivalency. Published for the World Bank [by] Johns Hopkins University Press, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.