Bray, M. (1999). The shadow education system: Private tutoring and its implications for planners. Unesco, International Institute for Educational Planning.
Citação do estilo Chicago (17ª ed.)Bray, Mark. The Shadow Education System: Private Tutoring and Its Implications for Planners. Paris: Unesco, International Institute for Educational Planning, 1999.
Citação MLA (9ª ed.)Bray, Mark. The Shadow Education System: Private Tutoring and Its Implications for Planners. Unesco, International Institute for Educational Planning, 1999.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.