Cita APA (7a ed.)

Opel, A., Zaman, S. S., Khanom, F., Aboud, F. E., & Institute of Education Development, B. U. (2016). Evaluation of a mathematics program for preprimary children in rural Bangladesh. © 2012 Elsevier Ltd.

Cita Chicago Style (17a ed.)

Opel, Aftab, Syeda Sazia Zaman, Ferdousi Khanom, Frances E. Aboud, y BRAC University Institute of Education Development. Evaluation of a Mathematics Program for Preprimary Children in Rural Bangladesh. © 2012 Elsevier Ltd, 2016.

Cita MLA (8a ed.)

Opel, Aftab, et al. Evaluation of a Mathematics Program for Preprimary Children in Rural Bangladesh. © 2012 Elsevier Ltd, 2016.