Zaki, W. M., & Khan, M. S. (1970). Pakistan education index. Central Bureau of Education.
Cita Chicago Style (17a ed.)Zaki, Wali Muhammad, y M. Sarwar Khan. Pakistan Education Index. Islamabad: Central Bureau of Education, 1970.
Cita MLA (8a ed.)Zaki, Wali Muhammad, y M. Sarwar Khan. Pakistan Education Index. Central Bureau of Education, 1970.
Precaución: Estas citas no son 100% exactas.