VEER, R. D. (2011). Bloomsbury Library of educational tougth. Continuum international publishing Group.
Cita Chicago (17th ed.)VEER, Renevan Der. Bloomsbury Library of Educational Tougth. Continuum international publishing Group, 2011.
Cita MLA (9th ed.)VEER, Renevan Der. Bloomsbury Library of Educational Tougth. Continuum international publishing Group, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.